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 7645HX

2023

Why buy it

✅Better for gaming: +14.3% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 65W, a 20W reduction.
✅Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 610M, while Ryzen 7 PRO 5845 needs a discrete GPU.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Ryzen 7 PRO 5845

2022

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 7645HX across 50 shared CPU benchmark tests.
❌Lower PassMark (26,054 vs 26,097).
❌Launch MSRP is still $300 MSRP, while Ryzen 5 7645HX mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 7645HX moves to FL1 and DDR5.

Ryzen 5 7645HX

2023

Ryzen 7 PRO 5845

2022

Why buy it

✅Better for gaming: +14.3% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 65W, a 20W reduction.
✅Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
✅100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 610M, while Ryzen 7 PRO 5845 needs a discrete GPU.

Why buy it

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 7645HX across 50 shared CPU benchmark tests.
❌Lower PassMark (26,054 vs 26,097).
❌Launch MSRP is still $300 MSRP, while Ryzen 5 7645HX mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 7645HX moves to FL1 and DDR5.

Quick Answers

So, is Ryzen 5 7645HX better than Ryzen 7 PRO 5845?

Yes. Ryzen 5 7645HX is the better overall CPU here. You are getting a 14.3% average FPS lead across 50 shared CPU game tests in our data, 0.2% 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 5 7645HX is the better pick here. According to our tests, it delivers 14.3% more average FPS across 50 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 0.2% better PassMark, backed by 6 cores and 12 threads.

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

Ryzen 5 7645HX is still the faster CPU overall, but Ryzen 7 PRO 5845 makes more sense if price matters more than absolute performance. Ryzen 5 7645HX is at an unclear MSRP at unclear MSRP versus $300 MSRP, and it gives you a 14.3% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 PRO 5845 is also 100.0% better value on MSRP (86.8 vs 0.0 PassMark/$), 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 2022), a healthier platform with FL1 and DDR5 instead of AM4, and more multi-core headroom with 6 cores / 12 threads instead of 8/16. 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.

Ryzen 5 7645HX Benchmark Check

Ryzen 7 PRO 5845 Benchmark Check

Path of Exile 2

Preset	Ryzen 5 7645HX	Ryzen 7 PRO 5845
1080p
low	272 FPS	159 FPS
medium	249 FPS	131 FPS
high	212 FPS	115 FPS
ultra	182 FPS	95 FPS
1440p
low	229 FPS	140 FPS
medium	190 FPS	113 FPS
high	155 FPS	95 FPS
ultra	137 FPS	79 FPS
4K
low	160 FPS	78 FPS
medium	133 FPS	68 FPS
high	103 FPS	55 FPS
ultra	89 FPS	44 FPS

Open Ryzen 5 7645HX Open Ryzen 7 PRO 5845

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 7645HX	Ryzen 7 PRO 5845
1080p
low	638 FPS	511 FPS
medium	515 FPS	431 FPS
high	430 FPS	336 FPS
ultra	385 FPS	295 FPS
1440p
low	546 FPS	431 FPS
medium	459 FPS	377 FPS
high	390 FPS	305 FPS
ultra	335 FPS	256 FPS
4K
low	347 FPS	267 FPS
medium	294 FPS	236 FPS
high	273 FPS	208 FPS
ultra	236 FPS	179 FPS

Open Ryzen 5 7645HX Open Ryzen 7 PRO 5845

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 7645HX	Ryzen 7 PRO 5845
1080p
low	652 FPS	649 FPS
medium	652 FPS	529 FPS
high	652 FPS	480 FPS
ultra	590 FPS	411 FPS
1440p
low	652 FPS	543 FPS
medium	598 FPS	449 FPS
high	515 FPS	409 FPS
ultra	442 FPS	350 FPS
4K
low	513 FPS	396 FPS
medium	433 FPS	320 FPS
high	374 FPS	289 FPS
ultra	306 FPS	227 FPS

Open Ryzen 5 7645HX Open Ryzen 7 PRO 5845

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 7645HX	Ryzen 7 PRO 5845
1080p
low	652 FPS	651 FPS
medium	652 FPS	651 FPS
high	652 FPS	651 FPS
ultra	652 FPS	641 FPS
1440p
low	652 FPS	651 FPS
medium	652 FPS	651 FPS
high	652 FPS	593 FPS
ultra	570 FPS	511 FPS
4K
low	586 FPS	526 FPS
medium	525 FPS	473 FPS
high	474 FPS	426 FPS
ultra	405 FPS	371 FPS

Open Ryzen 5 7645HX Open Ryzen 7 PRO 5845

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 7645HX and Ryzen 7 PRO 5845

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.

Ryzen 7 PRO 5845

The Ryzen 7 PRO 5845 is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 26,054 points. Launch price was $299.

⚡

Processing Power

The Ryzen 5 7645HX packs 6 cores / 12 threads, while the Ryzen 7 PRO 5845 offers 8 cores / 16 threads — the Ryzen 7 PRO 5845 has 2 more cores. Boost clocks reach 5 GHz on the Ryzen 5 7645HX versus 4.6 GHz on the Ryzen 7 PRO 5845 — a 8.3% clock advantage for the Ryzen 5 7645HX (base: 4 GHz vs 3.4 GHz). The Ryzen 5 7645HX uses the Dragon Range (Zen4) (2023) architecture (5 nm), while the Ryzen 7 PRO 5845 uses Vermeer (2020−2025) (7 nm). In PassMark, the Ryzen 5 7645HX scores 26,097 against the Ryzen 7 PRO 5845's 26,054 — a 0.2% lead for the Ryzen 5 7645HX. Both processors carry 32 MB (total) of L3 cache.

Feature	Ryzen 5 7645HX	Ryzen 7 PRO 5845
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	5 GHz+9%	4.6 GHz
Base Clock	4 GHz+18%	3.4 GHz
L3 Cache	32 MB (total)	32 MB (total)
L2 Cache	1 MB (per core)+100%	512 kB (per core)
Process	5 nm-29%	7 nm
Architecture	Dragon Range (Zen4) (2023)	Vermeer (2020−2025)
PassMark	26,097	26,054
Cinebench R23 Multi	13,985	—
Geekbench 6 Single	2,588	—
Geekbench 6 Multi	11,717	—

🧠

Memory & Platform

The Ryzen 5 7645HX uses the FL1 socket (PCIe 5.0), while the Ryzen 7 PRO 5845 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Ryzen 5 7645HX	Ryzen 7 PRO 5845
Socket	FL1	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5200	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	28	—

🔧

Advanced Features

Virtualization: AMD-V (SVM) (Ryzen 5 7645HX) / not specified (Ryzen 7 PRO 5845). The Ryzen 5 7645HX includes integrated graphics (Radeon 610M), while the Ryzen 7 PRO 5845 requires a dedicated GPU. Primary use case: Ryzen 5 7645HX targets Gaming. Direct competitor: Ryzen 5 7645HX rivals Core i5-13500HX.