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 i5-10400F

2020

Why buy it

✅Includes a boxed cooler (Yes), unlike Ryzen 5 7645HX.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 7645HX across 7 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (8,191 vs 13,985).
❌Smaller total L3 cache (12 MB vs 32 MB).
❌Launch MSRP is still $160 MSRP, while Ryzen 5 7645HX mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.

Ryzen 5 7645HX

2023

Why buy it

✅Better for gaming: +65.2% higher average FPS across 7 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (32 MB vs 12 MB).
✅Draws 45W instead of 65W, a 20W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA1200 and DDR4.
✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Ryzen 5 7645HX

2023

Why buy it

✅Includes a boxed cooler (Yes), unlike Ryzen 5 7645HX.

Why buy it

✅Better for gaming: +65.2% higher average FPS across 7 shared CPU benchmark tests.
✅+166.7% larger total L3 cache (32 MB vs 12 MB).
✅Draws 45W instead of 65W, a 20W reduction.
✅Newer platform on FL1 with DDR5 support instead of LGA1200 and DDR4.
✅75% more PCIe lanes (28 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 7645HX across 7 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (8,191 vs 13,985).
❌Smaller total L3 cache (12 MB vs 32 MB).
❌Launch MSRP is still $160 MSRP, while Ryzen 5 7645HX mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.

Trade-offs

❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Ryzen 5 7645HX better than Core i5-10400F?

Yes. Ryzen 5 7645HX is the better overall CPU here. You are getting a 65.2% average FPS lead across 7 shared CPU game tests in our data, 70.7% better Cinebench R23 multi-core, 100.3% higher 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 5 7645HX is the better pick here. According to our tests, it delivers 65.2% more average FPS across 7 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 5 7645HX is the better fit. You are getting 70.7% better Cinebench R23 multi-core, backed by 6 cores and 12 threads. It also carries the larger cache pool with 166.7% larger total L3 cache (32 MB vs 12 MB).

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

Ryzen 5 7645HX is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Ryzen 5 7645HX is at an unclear MSRP at unclear MSRP versus $160 MSRP, and it gives you a 65.2% average FPS lead across 7 shared CPU game tests in our data. Core i5-10400F is also 100.0% better value on MSRP (81.4 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 5 7645HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with FL1 and DDR5 instead of LGA1200, 166.7% larger total L3 cache (32 MB vs 12 MB), and more multi-core headroom with 6 cores / 12 threads instead of 6/12. 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.

Core i5-10400F Benchmark Check

Ryzen 5 7645HX Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Ryzen 5 7645HX
1080p
low	192 FPS	272 FPS
medium	152 FPS	249 FPS
high	123 FPS	212 FPS
ultra	100 FPS	182 FPS
1440p
low	153 FPS	229 FPS
medium	119 FPS	190 FPS
high	97 FPS	155 FPS
ultra	79 FPS	137 FPS
4K
low	82 FPS	160 FPS
medium	70 FPS	133 FPS
high	55 FPS	103 FPS
ultra	43 FPS	89 FPS

Open Core i5-10400F Open Ryzen 5 7645HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Ryzen 5 7645HX
1080p
low	326 FPS	638 FPS
medium	318 FPS	515 FPS
high	290 FPS	430 FPS
ultra	253 FPS	385 FPS
1440p
low	326 FPS	546 FPS
medium	292 FPS	459 FPS
high	267 FPS	390 FPS
ultra	234 FPS	335 FPS
4K
low	309 FPS	347 FPS
medium	258 FPS	294 FPS
high	235 FPS	273 FPS
ultra	199 FPS	236 FPS

Open Core i5-10400F Open Ryzen 5 7645HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Ryzen 5 7645HX
1080p
low	326 FPS	652 FPS
medium	326 FPS	652 FPS
high	326 FPS	652 FPS
ultra	326 FPS	590 FPS
1440p
low	326 FPS	652 FPS
medium	326 FPS	598 FPS
high	326 FPS	515 FPS
ultra	326 FPS	442 FPS
4K
low	326 FPS	513 FPS
medium	326 FPS	433 FPS
high	289 FPS	374 FPS
ultra	229 FPS	306 FPS

Open Core i5-10400F Open Ryzen 5 7645HX

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Ryzen 5 7645HX
1080p
low	326 FPS	652 FPS
medium	326 FPS	652 FPS
high	326 FPS	652 FPS
ultra	326 FPS	652 FPS
1440p
low	326 FPS	652 FPS
medium	326 FPS	652 FPS
high	326 FPS	652 FPS
ultra	326 FPS	570 FPS
4K
low	326 FPS	586 FPS
medium	326 FPS	525 FPS
high	326 FPS	474 FPS
ultra	326 FPS	405 FPS

Open Core i5-10400F Open Ryzen 5 7645HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Ryzen 5 7645HX

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Ryzen 5 7645HX

The Ryzen 5 7645HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range (Zen4) (2023) architecture. It features 6 cores and 12 threads. Base frequency is 4 GHz, with boost up to 5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 45 Watt. Memory support: DDR5-5200. Passmark benchmark score: 26,097 points. Launch price was $299.

⚡

Processing Power

Both the Core i5-10400F and Ryzen 5 7645HX share an identical 6-core/12-thread configuration. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 5 GHz on the Ryzen 5 7645HX — a 15.1% clock advantage for the Ryzen 5 7645HX (base: 2.9 GHz vs 4 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Ryzen 5 7645HX uses Dragon Range (Zen4) (2023) (5 nm). In PassMark, the Core i5-10400F scores 13,029 against the Ryzen 5 7645HX's 26,097 — a 66.8% lead for the Ryzen 5 7645HX. Cinebench R23 multi-core: 8,191 vs 13,985 (52.3% advantage for the Ryzen 5 7645HX). Geekbench 6 single-core — the metric most relevant to gaming — records 1,454 vs 2,588, a 56.1% lead for the Ryzen 5 7645HX that directly translates to higher frame rates. Multi-core Geekbench: 5,783 vs 11,717 (67.8% advantage for the Ryzen 5 7645HX). L3 cache: 12 MB (total) on the Core i5-10400F vs 32 MB (total) on the Ryzen 5 7645HX.

Feature	Core i5-10400F	Ryzen 5 7645HX
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.3 GHz	5 GHz+16%
Base Clock	2.9 GHz	4 GHz+38%
L3 Cache	12 MB (total)	32 MB (total)+167%
L2 Cache	256K (per core)	1 MB (per core)+300%
Process	14 nm	5 nm-64%
Architecture	Comet Lake (2020−2025)	Dragon Range (Zen4) (2023)
PassMark	13,029	26,097+100%
Cinebench R23 Multi	8,191	13,985+71%
Geekbench 6 Single	1,454	2,588+78%
Geekbench 6 Multi	5,783	11,717+103%

🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Ryzen 5 7645HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-5200 on the Ryzen 5 7645HX — the Ryzen 5 7645HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-10400F supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 28 (Ryzen 5 7645HX) — the Ryzen 5 7645HX offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and SoC (Ryzen 5 7645HX).

Feature	Core i5-10400F	Ryzen 5 7645HX
Socket	LGA1200	FL1
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-5200+25%
Max RAM Capacity	128 GB+100%	64 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	28+75%

🔧

Advanced Features

Neither processor supports overclocking. Only the Ryzen 5 7645HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i5-10400F) vs AMD-V (SVM) (Ryzen 5 7645HX). The Ryzen 5 7645HX includes integrated graphics (Radeon 610M), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming, Ryzen 5 7645HX targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Ryzen 5 7645HX rivals Core i5-13500HX.