Core i7-3920XM vs Phenom II X6 1100T BE

CPU

GPU

Core i7-3920XM

4 Cores8 Thrd55 WWMax: 3.8 GHz2012

Popular choices:

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Phenom II X6 1100T BE

6 Cores6 Thrd125 WWMax: 3.7 GHz2010

Popular choices:

•••••••••

Performance Spectrum - CPU

Core i7-3920XM

4 / 8

5,713

0.0%

Phenom II X6 1100T BE

6 / 6

5,745

+0.6%

Ryzen Threadripper PRO 3975WX

Ryzen Threadripper PRO 7965WX

About PassMark

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.

Core i7-3920XM

2012

Why buy it

✅+35% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅Integrated graphics onboard with HD Graphics 4000, while Phenom II X6 1100T BE needs a discrete GPU.

Trade-offs

❌Lower PassMark (5,713 vs 5,745).
❌No boxed cooler included, unlike Phenom II X6 1100T BE.

Phenom II X6 1100T BE

2010

Why buy it

✅+0.6% higher PassMark.
✅Includes a boxed cooler (Yes), unlike Core i7-3920XM.

Trade-offs

❌Lower Geekbench single-core performance for gaming (508 vs 686).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌Launch MSRP is still $265 MSRP, while Core i7-3920XM mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.
❌No integrated graphics, while Core i7-3920XM can still boot and troubleshoot without a discrete GPU.

Core i7-3920XM

2012

Phenom II X6 1100T BE

2010

Why buy it

✅+35% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅Integrated graphics onboard with HD Graphics 4000, while Phenom II X6 1100T BE needs a discrete GPU.

Why buy it

✅+0.6% higher PassMark.
✅Includes a boxed cooler (Yes), unlike Core i7-3920XM.

Trade-offs

❌Lower PassMark (5,713 vs 5,745).
❌No boxed cooler included, unlike Phenom II X6 1100T BE.

Trade-offs

❌Lower Geekbench single-core performance for gaming (508 vs 686).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌Launch MSRP is still $265 MSRP, while Core i7-3920XM mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.
❌No integrated graphics, while Core i7-3920XM can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-3920XM better than Phenom II X6 1100T BE?

It depends on what matters more to you. For gaming, Core i7-3920XM is ahead with 35% stronger Geekbench single-core performance. For rendering, compiling, streaming, and heavier multitasking, Phenom II X6 1100T BE pulls ahead with 0.6% better PassMark. Core i7-3920XM also has the bigger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

For streaming, content creation, and heavier multitasking, Phenom II X6 1100T BE is the better fit. You are getting 0.6% better PassMark, backed by 6 cores and 6 threads.

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

Core i7-3920XM is the smarter buy by a wide margin for a fresh build. Core i7-3920XM is at an unclear MSRP at unclear MSRP versus $265 MSRP, and it gives you 35% stronger Geekbench single-core performance. Phenom II X6 1100T BE only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2010 platform. Even with 100.0% better value on paper (21.7 vs 0.0 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on AM3.

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

Core i7-3920XM is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2010) and 33.3% larger total L3 cache (8 MB vs 6 MB). That makes it the safer long-term pick.

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.

Core i7-3920XM Benchmark Check

Phenom II X6 1100T BE Benchmark Check

Path of Exile 2

Preset	Core i7-3920XM	Phenom II X6 1100T BE
1080p
low	143 FPS	144 FPS
medium	143 FPS	140 FPS
high	116 FPS	113 FPS
ultra	93 FPS	93 FPS
1440p
low	143 FPS	137 FPS
medium	122 FPS	116 FPS
high	96 FPS	92 FPS
ultra	76 FPS	75 FPS
4K
low	69 FPS	63 FPS
medium	61 FPS	56 FPS
high	48 FPS	44 FPS
ultra	38 FPS	35 FPS

Open Core i7-3920XM Open Phenom II X6 1100T BE

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-3920XM	Phenom II X6 1100T BE
1080p
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	137 FPS	139 FPS
1440p
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	122 FPS	125 FPS
4K
low	143 FPS	144 FPS
medium	133 FPS	137 FPS
high	110 FPS	122 FPS
ultra	83 FPS	93 FPS

Open Core i7-3920XM Open Phenom II X6 1100T BE

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-3920XM	Phenom II X6 1100T BE
1080p
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	143 FPS	144 FPS
1440p
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	143 FPS	144 FPS
4K
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	143 FPS	134 FPS

Open Core i7-3920XM Open Phenom II X6 1100T BE

League of Legends

League of Legends

Valorant

Preset	Core i7-3920XM	Phenom II X6 1100T BE
1080p
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	143 FPS	144 FPS
1440p
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	143 FPS	144 FPS
4K
low	143 FPS	144 FPS
medium	143 FPS	144 FPS
high	143 FPS	144 FPS
ultra	143 FPS	144 FPS

Open Core i7-3920XM Open Phenom II X6 1100T BE

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-3920XM and Phenom II X6 1100T BE

Core i7-3920XM

The Core i7-3920XM is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 5,713 points. Launch price was $1,096.

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.

⚡

Processing Power

The Core i7-3920XM packs 4 cores / 8 threads, while the Phenom II X6 1100T BE offers 6 cores / 6 threads — the Phenom II X6 1100T BE has 2 more cores. Boost clocks reach 3.8 GHz on the Core i7-3920XM versus 3.7 GHz on the Phenom II X6 1100T BE — a 2.7% clock advantage for the Core i7-3920XM (base: 2.9 GHz vs 3.3 GHz). The Core i7-3920XM uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Phenom II X6 1100T BE uses Thuban (2010) (45 nm). In PassMark, the Core i7-3920XM scores 5,713 against the Phenom II X6 1100T BE's 5,745 — a 0.6% lead for the Phenom II X6 1100T BE. Geekbench 6 single-core — the metric most relevant to gaming — records 686 vs 508, a 29.8% lead for the Core i7-3920XM that directly translates to higher frame rates. L3 cache: 8 MB (total) on the Core i7-3920XM vs 6 MB (total) on the Phenom II X6 1100T BE.

Feature	Core i7-3920XM	Phenom II X6 1100T BE
Cores / Threads	4 / 8	6 / 6+50%
Boost Clock	3.8 GHz+3%	3.7 GHz
Base Clock	2.9 GHz	3.3 GHz+14%
L3 Cache	8 MB (total)+33%	6 MB (total)
L2 Cache	256K (per core)	512 kB (per core)+100%
Process	22 nm-51%	45 nm
Architecture	Ivy Bridge (2012−2013)	Thuban (2010)
PassMark	5,713	5,745
Geekbench 6 Single	686+35%	508

🧠

Memory & Platform

The Core i7-3920XM uses the PGA988 socket (PCIe 3.0), while the Phenom II X6 1100T BE uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM77,QM77 (Core i7-3920XM) and AMD 870,880G,890FX,970,990FX (Phenom II X6 1100T BE).

Feature	Core i7-3920XM	Phenom II X6 1100T BE
Socket	PGA988	AM3
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600	DDR3-1333 / DDR2-1066
Max RAM Capacity	32 GB	32 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	16

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d, EPT (Core i7-3920XM) vs AMD-V (Phenom II X6 1100T BE). The Core i7-3920XM includes integrated graphics (HD Graphics 4000), while the Phenom II X6 1100T BE requires a dedicated GPU. Primary use case: Core i7-3920XM targets Extreme Performance Laptop, Phenom II X6 1100T BE targets Enthusiast Legacy. Direct competitor: Core i7-3920XM rivals A10-5750M.

Feature	Core i7-3920XM	Phenom II X6 1100T BE
Integrated GPU	Yes	No
IGPU Model	HD Graphics 4000	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x, VT-d, EPT	AMD-V
Target Use	Extreme Performance Laptop	Enthusiast Legacy