PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Phenom II X6 1100T BE

2010

Why buy it

✅Costs $184 less on MSRP ($265 MSRP vs $449 MSRP).
✅Includes a boxed cooler (Yes), unlike Ryzen 7 7800X3D.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (5,745 vs 34,293).
❌Lower PassMark per dollar, at 21.7 vs 76.4 PassMark/$ ($265 MSRP vs $449 MSRP).
❌Older platform position on AM3, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +221.2% higher average FPS across 7 shared CPU benchmark tests.
✅Delivers 252.3% more PassMark for each dollar spent, at 76.4 vs 21.7 PassMark/$ ($449 MSRP vs $265 MSRP).
✅Draws 120W instead of 125W, a 5W reduction.
✅Newer platform on AM5 with DDR5 support instead of AM3 and older memory support.
✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
69.4% HIGHER MSRP
$449 MSRPvs$265 MSRP
❌No boxed cooler included, unlike Phenom II X6 1100T BE.

Phenom II X6 1100T BE

2010

Ryzen 7 7800X3D

2023

Why buy it

✅Costs $184 less on MSRP ($265 MSRP vs $449 MSRP).
✅Includes a boxed cooler (Yes), unlike Ryzen 7 7800X3D.

Why buy it

✅Better for gaming: +221.2% higher average FPS across 7 shared CPU benchmark tests.
✅Delivers 252.3% more PassMark for each dollar spent, at 76.4 vs 21.7 PassMark/$ ($449 MSRP vs $265 MSRP).
✅Draws 120W instead of 125W, a 5W reduction.
✅Newer platform on AM5 with DDR5 support instead of AM3 and older memory support.
✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (5,745 vs 34,293).
❌Lower PassMark per dollar, at 21.7 vs 76.4 PassMark/$ ($265 MSRP vs $449 MSRP).
❌Older platform position on AM3, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌
69.4% HIGHER MSRP
$449 MSRPvs$265 MSRP
❌No boxed cooler included, unlike Phenom II X6 1100T BE.

Quick Answers

So, is Ryzen 7 7800X3D better than Phenom II X6 1100T BE?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 221.2% average FPS lead across 7 shared CPU game tests in our data, 496.9% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick here. According to our tests, it delivers 221.2% more average FPS across 7 shared CPU game tests. It also has a big cache advantage at 96 MB vs 6 MB.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the better fit. You are getting 496.9% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 1500% larger total L3 cache (96 MB vs 6 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is 69.4% more expensive on MSRP at $449 MSRP versus $265 MSRP, and it gives you a 221.2% average FPS lead across 7 shared CPU game tests in our data. It is also 252.3% better value on MSRP (76.4 vs 21.7 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2010), a healthier platform with AM5 and DDR5 instead of AM3, 3D V-Cache and a much larger 96 MB L3 cache instead of 6 MB, and more multi-core headroom with 8 cores / 16 threads instead of 6/6. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Phenom II X6 1100T BE Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	Phenom II X6 1100T BE	Ryzen 7 7800X3D
1080p
low	144 FPS	266 FPS
medium	140 FPS	247 FPS
high	113 FPS	211 FPS
ultra	93 FPS	186 FPS
1440p
low	137 FPS	258 FPS
medium	116 FPS	215 FPS
high	92 FPS	171 FPS
ultra	75 FPS	154 FPS
4K
low	63 FPS	179 FPS
medium	56 FPS	149 FPS
high	44 FPS	112 FPS
ultra	35 FPS	100 FPS

Open Phenom II X6 1100T BE Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Phenom II X6 1100T BE	Ryzen 7 7800X3D
1080p
low	144 FPS	857 FPS
medium	144 FPS	737 FPS
high	144 FPS	580 FPS
ultra	139 FPS	493 FPS
1440p
low	144 FPS	722 FPS
medium	144 FPS	611 FPS
high	144 FPS	500 FPS
ultra	125 FPS	398 FPS
4K
low	144 FPS	396 FPS
medium	137 FPS	339 FPS
high	122 FPS	315 FPS
ultra	93 FPS	273 FPS

Open Phenom II X6 1100T BE Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Phenom II X6 1100T BE	Ryzen 7 7800X3D
1080p
low	144 FPS	857 FPS
medium	144 FPS	857 FPS
high	144 FPS	857 FPS
ultra	144 FPS	857 FPS
1440p
low	144 FPS	857 FPS
medium	144 FPS	851 FPS
high	144 FPS	786 FPS
ultra	144 FPS	656 FPS
4K
low	144 FPS	558 FPS
medium	144 FPS	479 FPS
high	144 FPS	427 FPS
ultra	134 FPS	362 FPS

Open Phenom II X6 1100T BE Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Phenom II X6 1100T BE	Ryzen 7 7800X3D
1080p
low	144 FPS	857 FPS
medium	144 FPS	857 FPS
high	144 FPS	857 FPS
ultra	144 FPS	782 FPS
1440p
low	144 FPS	857 FPS
medium	144 FPS	760 FPS
high	144 FPS	669 FPS
ultra	144 FPS	576 FPS
4K
low	144 FPS	618 FPS
medium	144 FPS	556 FPS
high	144 FPS	495 FPS
ultra	144 FPS	428 FPS

Open Phenom II X6 1100T BE Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Phenom II X6 1100T BE and Ryzen 7 7800X3D

Phenom II X6 1100T BE

The Phenom II X6 1100T BE is manufactured by AMD. It was released in 2009-01-01. It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 5,745 points. Launch price was $149.

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

⚡

Processing Power

The Phenom II X6 1100T BE packs 6 cores / 6 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 3.7 GHz on the Phenom II X6 1100T BE versus 5 GHz on the Ryzen 7 7800X3D — a 29.9% clock advantage for the Ryzen 7 7800X3D (base: 3.3 GHz vs 4.4 GHz). The Phenom II X6 1100T BE uses the Thuban (2010) architecture (45 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Phenom II X6 1100T BE scores 5,745 against the Ryzen 7 7800X3D's 34,293 — a 142.6% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 508 vs 2,700, a 136.7% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Phenom II X6 1100T BE vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Phenom II X6 1100T BE	Ryzen 7 7800X3D
Cores / Threads	6 / 6	8 / 16+33%
Boost Clock	3.7 GHz	5 GHz+35%
Base Clock	3.3 GHz	4.4 GHz+33%
L3 Cache	6 MB (total)	96 MB (total)+1500%
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	45 nm	5 nm-89%
Architecture	Thuban (2010)	Raphael (Zen4) (2022−2023)
PassMark	5,745	34,293+497%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	508	2,700+431%
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The Phenom II X6 1100T BE uses the AM3 socket (PCIe 2.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 / DDR2-1066 on the Phenom II X6 1100T BE versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Phenom II X6 1100T BE) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 870,880G,890FX,970,990FX (Phenom II X6 1100T BE) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Phenom II X6 1100T BE	Ryzen 7 7800X3D
Socket	AM3	AM5
PCIe Generation	PCIe 2.0	PCIe 5.0+150%
Max RAM Speed	DDR3-1333 / DDR2-1066	DDR5-5200+67%
Max RAM Capacity	32 GB	128 GB+300%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	16	28+75%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Phenom II X6 1100T BE requires a dedicated GPU. Primary use case: Phenom II X6 1100T BE targets Enthusiast Legacy, Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Phenom II X6 1100T BE	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon Graphics (2-core)
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	AMD-V	AMD-V
Target Use	Enthusiast Legacy	Gaming

💰

Value Analysis

The Phenom II X6 1100T BE launched at $265 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($265 vs $449), the Phenom II X6 1100T BE is $184 cheaper. In terms of value on MSRP (PassMark points per dollar), the Phenom II X6 1100T BE delivers 21.7 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 111.6% better value option.