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 i5-13400T

2023

Why buy it

✅+50.8% higher Cinebench R23 multi-core.
✅+25% larger total L3 cache (20 MB vs 16 MB).
✅Includes a boxed cooler (Stock), unlike Ryzen 5 8640U.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640U across 4 shared CPU benchmark tests.
❌Launch MSRP is still $221 MSRP, while Ryzen 5 8640U mostly shows up through inconsistent older-market listings.
❌25% higher power demand at 35W vs 28W.

Ryzen 5 8640U

2023

Why buy it

✅Better for gaming: +20.0% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 28W instead of 35W, a 7W reduction.

Trade-offs

❌Lower Cinebench R23 multi-core (10,675 vs 16,094).
❌Smaller total L3 cache (16 MB vs 20 MB).
❌No boxed cooler included, unlike Core i5-13400T.

Core i5-13400T

2023

Ryzen 5 8640U

2023

Why buy it

✅+50.8% higher Cinebench R23 multi-core.
✅+25% larger total L3 cache (20 MB vs 16 MB).
✅Includes a boxed cooler (Stock), unlike Ryzen 5 8640U.

Why buy it

✅Better for gaming: +20.0% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 28W instead of 35W, a 7W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640U across 4 shared CPU benchmark tests.
❌Launch MSRP is still $221 MSRP, while Ryzen 5 8640U mostly shows up through inconsistent older-market listings.
❌25% higher power demand at 35W vs 28W.

Trade-offs

❌Lower Cinebench R23 multi-core (10,675 vs 16,094).
❌Smaller total L3 cache (16 MB vs 20 MB).
❌No boxed cooler included, unlike Core i5-13400T.

Quick Answers

So, is Core i5-13400T better than Ryzen 5 8640U?

It depends on what matters more to you. For gaming, Ryzen 5 8640U is ahead with a 20.0% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-13400T pulls ahead with 50.8% better Cinebench R23 multi-core. Core i5-13400T also has the bigger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).

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

For streaming, content creation, and heavier multitasking, Core i5-13400T is the better fit. You are getting 50.8% better Cinebench R23 multi-core, backed by 10 cores and 16 threads. It also carries the larger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).

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

Core i5-13400T is the smarter buy today. Core i5-13400T is at an unclear MSRP at $221 MSRP versus unclear MSRP, and it gives you 50.8% better Cinebench R23 multi-core. The trade-off is that Ryzen 5 8640U is still the better pure gaming CPU with a 20.0% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (91.7 vs 0.0 PassMark/$), 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?

Core i5-13400T is the more future-proof choice for 2026 and beyond. You are getting 25% larger total L3 cache (20 MB vs 16 MB) and more multi-core headroom with 10 cores / 16 threads instead of 6/12. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 i5-13400T Benchmark Check

Ryzen 5 8640U Benchmark Check

Path of Exile 2

Preset	Core i5-13400T	Ryzen 5 8640U
1080p
low	170 FPS	261 FPS
medium	157 FPS	237 FPS
high	129 FPS	199 FPS
ultra	112 FPS	171 FPS
1440p
low	142 FPS	230 FPS
medium	123 FPS	190 FPS
high	98 FPS	155 FPS
ultra	84 FPS	137 FPS
4K
low	80 FPS	159 FPS
medium	74 FPS	133 FPS
high	59 FPS	103 FPS
ultra	45 FPS	91 FPS

Open Core i5-13400T Open Ryzen 5 8640U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-13400T	Ryzen 5 8640U
1080p
low	289 FPS	371 FPS
medium	246 FPS	309 FPS
high	209 FPS	272 FPS
ultra	191 FPS	236 FPS
1440p
low	247 FPS	313 FPS
medium	218 FPS	270 FPS
high	190 FPS	244 FPS
ultra	165 FPS	207 FPS
4K
low	158 FPS	234 FPS
medium	141 FPS	206 FPS
high	132 FPS	191 FPS
ultra	117 FPS	161 FPS

Open Core i5-13400T Open Ryzen 5 8640U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-13400T	Ryzen 5 8640U
1080p
low	507 FPS	507 FPS
medium	449 FPS	507 FPS
high	414 FPS	507 FPS
ultra	374 FPS	507 FPS
1440p
low	489 FPS	507 FPS
medium	420 FPS	507 FPS
high	380 FPS	507 FPS
ultra	341 FPS	443 FPS
4K
low	386 FPS	493 FPS
medium	326 FPS	435 FPS
high	291 FPS	372 FPS
ultra	242 FPS	308 FPS

Open Core i5-13400T Open Ryzen 5 8640U

League of Legends

League of Legends

Valorant

Preset	Core i5-13400T	Ryzen 5 8640U
1080p
low	507 FPS	507 FPS
medium	507 FPS	507 FPS
high	507 FPS	507 FPS
ultra	507 FPS	507 FPS
1440p
low	507 FPS	507 FPS
medium	507 FPS	507 FPS
high	507 FPS	507 FPS
ultra	472 FPS	507 FPS
4K
low	491 FPS	507 FPS
medium	449 FPS	501 FPS
high	395 FPS	442 FPS
ultra	345 FPS	380 FPS

Open Core i5-13400T Open Ryzen 5 8640U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-13400T and Ryzen 5 8640U

Core i5-13400T

The Core i5-13400T is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 1.3 GHz, with boost up to 4.4 GHz. L3 cache: 20 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 35 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 20,265 points. Launch price was $221.

Ryzen 5 8640U

The Ryzen 5 8640U is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-U (Zen 4) (2023−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 20,274 points. Launch price was $299.

⚡

Processing Power

The Core i5-13400T packs 10 cores / 16 threads, while the Ryzen 5 8640U offers 6 cores / 12 threads — the Core i5-13400T has 4 more cores. Boost clocks reach 4.4 GHz on the Core i5-13400T versus 4.9 GHz on the Ryzen 5 8640U — a 10.8% clock advantage for the Ryzen 5 8640U (base: 1.3 GHz vs 3.5 GHz). The Core i5-13400T uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Ryzen 5 8640U uses Hawk Point-U (Zen 4) (2023−2025) (4 nm). In PassMark, the Core i5-13400T scores 20,265 against the Ryzen 5 8640U's 20,274 — a 0% lead for the Ryzen 5 8640U. Cinebench R23 multi-core: 16,094 vs 10,675 (40.5% advantage for the Core i5-13400T). Geekbench 6 single-core — the metric most relevant to gaming — records 2,364 vs 2,519, a 6.3% lead for the Ryzen 5 8640U that directly translates to higher frame rates. Multi-core Geekbench: 11,135 vs 10,308 (7.7% advantage for the Core i5-13400T). L3 cache: 20 MB (total) on the Core i5-13400T vs 16 MB (total) on the Ryzen 5 8640U.

Feature	Core i5-13400T	Ryzen 5 8640U
Cores / Threads	10 / 16+67%	6 / 12
Boost Clock	4.4 GHz	4.9 GHz+11%
Base Clock	1.3 GHz	3.5 GHz+169%
L3 Cache	20 MB (total)+25%	16 MB (total)
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm	4 nm-43%
Architecture	Raptor Lake-S (2023−2024)	Hawk Point-U (Zen 4) (2023−2025)
PassMark	20,265	20,274
Cinebench R23 Multi	16,094+51%	10,675
Geekbench 6 Single	2,364	2,519+7%
Geekbench 6 Multi	11,135+8%	10,308

🧠

Memory & Platform

The Core i5-13400T uses the LGA1700 socket (PCIe 5.0), while the Ryzen 5 8640U uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800 memory speed. The Ryzen 5 8640U supports up to 256 GB of RAM compared to 192 GB — 28.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: Z790,B760,H770,Z690 (Core i5-13400T) and SoC (Ryzen 5 8640U).

Feature	Core i5-13400T	Ryzen 5 8640U
Socket	LGA1700	FP8
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800	LPDDR5x-7500
Max RAM Capacity	192 GB	256 GB+33%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	20

🔧

Advanced Features

Neither processor supports overclocking. Only the Ryzen 5 8640U supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i5-13400T) vs AMD-V (SVM) (Ryzen 5 8640U). Both include integrated graphics — Intel UHD Graphics 730 (Core i5-13400T) and Radeon 760M (Ryzen 5 8640U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-13400T targets Energy Efficient Desktop, Ryzen 5 8640U targets Productivity. Direct competitor: Core i5-13400T rivals Ryzen 5 7600; Ryzen 5 8640U rivals Core i5-1335U.

Feature	Core i5-13400T	Ryzen 5 8640U
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 730	Radeon 760M
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V (SVM)
Target Use	Energy Efficient Desktop	Productivity