Ryzen 5 PRO 8645HS vs Ryzen 7 7800X3D

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.

Ryzen 5 PRO 8645HS

2024

Why buy it

✅Draws 45W instead of 120W, a 75W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (23,227 vs 34,293).
❌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: +25.4% higher average FPS across 7 shared CPU benchmark tests.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Ryzen 5 PRO 8645HS needs a discrete GPU.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 5 PRO 8645HS mostly shows up through inconsistent older-market listings.
❌166.7% higher power demand at 120W vs 45W.

Ryzen 5 PRO 8645HS

2024

Ryzen 7 7800X3D

2023

Why buy it

✅Draws 45W instead of 120W, a 75W reduction.

Why buy it

✅Better for gaming: +25.4% higher average FPS across 7 shared CPU benchmark tests.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while Ryzen 5 PRO 8645HS needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 7 shared CPU benchmark tests.
❌Lower PassMark (23,227 vs 34,293).
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 5 PRO 8645HS mostly shows up through inconsistent older-market listings.
❌166.7% higher power demand at 120W vs 45W.

Quick Answers

So, is Ryzen 7 7800X3D better than Ryzen 5 PRO 8645HS?

Yes. Ryzen 7 7800X3D is the better overall CPU here. You are getting a 25.4% average FPS lead across 7 shared CPU game tests in our data, 47.6% 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 25.4% more average FPS across 7 shared CPU game tests. It also has a big cache advantage at 96 MB vs 16 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 47.6% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 500% larger total L3 cache (96 MB vs 16 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 at an unclear MSRP at $449 MSRP versus unclear MSRP, and it gives you a 25.4% average FPS lead across 7 shared CPU game tests in our data. It is also 100.0% better value on MSRP (76.4 vs 0.0 PassMark/$), 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 3D V-Cache and a much larger 96 MB L3 cache instead of 16 MB and more multi-core headroom with 8 cores / 16 threads instead of 6/12. That extra cache should hold up really well in CPU-limited games and high-refresh builds.

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.

Ryzen 5 PRO 8645HS Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	Ryzen 5 PRO 8645HS	Ryzen 7 7800X3D
1080p
low	265 FPS	266 FPS
medium	239 FPS	247 FPS
high	204 FPS	211 FPS
ultra	174 FPS	186 FPS
1440p
low	232 FPS	258 FPS
medium	190 FPS	215 FPS
high	157 FPS	171 FPS
ultra	137 FPS	154 FPS
4K
low	158 FPS	179 FPS
medium	130 FPS	149 FPS
high	102 FPS	112 FPS
ultra	88 FPS	100 FPS

Open Ryzen 5 PRO 8645HS Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 PRO 8645HS	Ryzen 7 7800X3D
1080p
low	426 FPS	857 FPS
medium	358 FPS	737 FPS
high	314 FPS	580 FPS
ultra	275 FPS	493 FPS
1440p
low	371 FPS	722 FPS
medium	325 FPS	611 FPS
high	288 FPS	500 FPS
ultra	244 FPS	398 FPS
4K
low	268 FPS	396 FPS
medium	240 FPS	339 FPS
high	224 FPS	315 FPS
ultra	187 FPS	273 FPS

Open Ryzen 5 PRO 8645HS Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 PRO 8645HS	Ryzen 7 7800X3D
1080p
low	581 FPS	857 FPS
medium	581 FPS	857 FPS
high	581 FPS	857 FPS
ultra	581 FPS	857 FPS
1440p
low	581 FPS	857 FPS
medium	581 FPS	851 FPS
high	522 FPS	786 FPS
ultra	446 FPS	656 FPS
4K
low	492 FPS	558 FPS
medium	431 FPS	479 FPS
high	369 FPS	427 FPS
ultra	303 FPS	362 FPS

Open Ryzen 5 PRO 8645HS Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 PRO 8645HS	Ryzen 7 7800X3D
1080p
low	581 FPS	857 FPS
medium	581 FPS	857 FPS
high	581 FPS	857 FPS
ultra	581 FPS	782 FPS
1440p
low	581 FPS	857 FPS
medium	581 FPS	760 FPS
high	581 FPS	669 FPS
ultra	581 FPS	576 FPS
4K
low	581 FPS	618 FPS
medium	548 FPS	556 FPS
high	490 FPS	495 FPS
ultra	426 FPS	428 FPS

Open Ryzen 5 PRO 8645HS Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 PRO 8645HS and Ryzen 7 7800X3D

Ryzen 5 PRO 8645HS

The Ryzen 5 PRO 8645HS is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 23,227 points. Launch price was $299.

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.

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Processing Power

The Ryzen 5 PRO 8645HS packs 6 cores / 12 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 5 GHz on the Ryzen 5 PRO 8645HS versus 5 GHz on the Ryzen 7 7800X3D — identical boost frequencies (base: 4.3 GHz vs 4.4 GHz). The Ryzen 5 PRO 8645HS uses the Hawk Point (2024−2025) architecture (4 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Ryzen 5 PRO 8645HS scores 23,227 against the Ryzen 7 7800X3D's 34,293 — a 38.5% lead for the Ryzen 7 7800X3D. L3 cache: 16 MB (total) on the Ryzen 5 PRO 8645HS vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Ryzen 5 PRO 8645HS	Ryzen 7 7800X3D
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	5 GHz	5 GHz
Base Clock	4.3 GHz	4.4 GHz+2%
L3 Cache	16 MB (total)	96 MB (total)+500%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm-20%	5 nm
Architecture	Hawk Point (2024−2025)	Raphael (Zen4) (2022−2023)
PassMark	23,227	34,293+48%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The Ryzen 5 PRO 8645HS uses the FP7 socket (PCIe 4.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Ryzen 5 PRO 8645HS	Ryzen 7 7800X3D
Socket	FP7	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	—	DDR5-5200
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	28

🔧

Advanced Features

Virtualization: not specified (Ryzen 5 PRO 8645HS) / AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Ryzen 5 PRO 8645HS requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.