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

✅Costs $63 less on MSRP ($160 MSRP vs $223 MSRP).
✅Includes a boxed cooler (Yes), unlike Core i5-12600T.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12600T across 2 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 17,427).
❌Smaller total L3 cache (12 MB vs 18 MB).
❌85.7% higher power demand at 65W vs 35W.
❌Older platform position on LGA1200 with DDR4, while Core i5-12600T moves to LGA1700 and DDR5.

Core i5-12600T

2022

Why buy it

✅Better for gaming: +5.0% higher average FPS across 2 shared CPU benchmark tests.
✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Draws 35W instead of 65W, a 30W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
39.4% HIGHER MSRP
$223 MSRPvs$160 MSRP
❌No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Core i5-12600T

2022

Why buy it

✅Costs $63 less on MSRP ($160 MSRP vs $223 MSRP).
✅Includes a boxed cooler (Yes), unlike Core i5-12600T.

Why buy it

✅Better for gaming: +5.0% higher average FPS across 2 shared CPU benchmark tests.
✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Draws 35W instead of 65W, a 30W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12600T across 2 shared CPU benchmark tests.
❌Lower PassMark (13,029 vs 17,427).
❌Smaller total L3 cache (12 MB vs 18 MB).
❌85.7% higher power demand at 65W vs 35W.
❌Older platform position on LGA1200 with DDR4, while Core i5-12600T moves to LGA1700 and DDR5.

Trade-offs

❌
39.4% HIGHER MSRP
$223 MSRPvs$160 MSRP
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Core i5-12600T better than Core i5-10400F?

Yes. Core i5-12600T is the better overall CPU here. You are getting a 5.0% average FPS lead across 2 shared CPU game tests in our data, 33.8% 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, Core i5-12600T is the better pick here. According to our tests, it delivers 5.0% more average FPS across 2 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i5-12600T is the better fit. You are getting 33.8% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).

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

Core i5-12600T is still the faster CPU overall, but Core i5-10400F makes more sense if price matters more than absolute performance. Core i5-12600T is 39.4% more expensive on MSRP at $223 MSRP versus $160 MSRP, and it gives you a 5.0% average FPS lead across 2 shared CPU game tests in our data. Core i5-10400F is also 4.2% better value on MSRP (81.4 vs 78.1 PassMark/$), which is why it is easier to justify for price-conscious builds on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i5-10400F can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Core i5-12600T is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020), a healthier platform with LGA1700 and DDR5 instead of LGA1200, 50% larger total L3 cache (18 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

Core i5-12600T Benchmark Check

Path of Exile 2

Preset	Core i5-10400F	Core i5-12600T
1080p
low	192 FPS	183 FPS
medium	152 FPS	169 FPS
high	123 FPS	141 FPS
ultra	100 FPS	120 FPS
1440p
low	153 FPS	154 FPS
medium	119 FPS	133 FPS
high	97 FPS	107 FPS
ultra	79 FPS	90 FPS
4K
low	82 FPS	88 FPS
medium	70 FPS	81 FPS
high	55 FPS	65 FPS
ultra	43 FPS	50 FPS

Open Core i5-10400F Open Core i5-12600T

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-10400F	Core i5-12600T
1080p
low	326 FPS	272 FPS
medium	318 FPS	231 FPS
high	290 FPS	195 FPS
ultra	253 FPS	172 FPS
1440p
low	326 FPS	232 FPS
medium	292 FPS	201 FPS
high	267 FPS	176 FPS
ultra	234 FPS	151 FPS
4K
low	309 FPS	155 FPS
medium	258 FPS	137 FPS
high	235 FPS	127 FPS
ultra	199 FPS	109 FPS

Open Core i5-10400F Open Core i5-12600T

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-10400F	Core i5-12600T
1080p
low	326 FPS	436 FPS
medium	326 FPS	436 FPS
high	326 FPS	436 FPS
ultra	326 FPS	436 FPS
1440p
low	326 FPS	436 FPS
medium	326 FPS	436 FPS
high	326 FPS	436 FPS
ultra	326 FPS	434 FPS
4K
low	326 FPS	436 FPS
medium	326 FPS	395 FPS
high	289 FPS	340 FPS
ultra	229 FPS	277 FPS

Open Core i5-10400F Open Core i5-12600T

League of Legends

League of Legends

Valorant

Preset	Core i5-10400F	Core i5-12600T
1080p
low	326 FPS	436 FPS
medium	326 FPS	436 FPS
high	326 FPS	436 FPS
ultra	326 FPS	436 FPS
1440p
low	326 FPS	436 FPS
medium	326 FPS	436 FPS
high	326 FPS	436 FPS
ultra	326 FPS	436 FPS
4K
low	326 FPS	436 FPS
medium	326 FPS	436 FPS
high	326 FPS	416 FPS
ultra	326 FPS	350 FPS

Open Core i5-10400F Open Core i5-12600T

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-10400F and Core i5-12600T

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.

Core i5-12600T

The Core i5-12600T is manufactured by Intel. It was released in Janeiro 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.1 GHz, with boost up to 4.6 GHz. L3 cache: 18 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: 17,427 points. Launch price was $299.

⚡

Processing Power

Both the Core i5-10400F and Core i5-12600T share an identical 6-core/12-thread configuration. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 4.6 GHz on the Core i5-12600T — a 6.7% clock advantage for the Core i5-12600T (base: 2.9 GHz vs 2.1 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Core i5-12600T uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Core i5-10400F scores 13,029 against the Core i5-12600T's 17,427 — a 28.9% lead for the Core i5-12600T. L3 cache: 12 MB (total) on the Core i5-10400F vs 18 MB (total) on the Core i5-12600T.

Feature	Core i5-10400F	Core i5-12600T
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.3 GHz	4.6 GHz+7%
Base Clock	2.9 GHz+38%	2.1 GHz
L3 Cache	12 MB (total)	18 MB (total)+50%
L2 Cache	256K (per core)	1.25 MB (per core)+400%
Process	14 nm	Intel 7 nm-50%
Architecture	Comet Lake (2020−2025)	Alder Lake-S (2022)
PassMark	13,029	17,427+34%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

🧠

Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Core i5-12600T uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-4800 on the Core i5-12600T — the Core i5-12600T supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-10400F) vs 20 (Core i5-12600T) — the Core i5-12600T offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and LGA1700 (Core i5-12600T).

Feature	Core i5-10400F	Core i5-12600T
Socket	LGA1200	LGA1700
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	DDR5-4800+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	20+25%

🔧

Advanced Features

Neither processor supports overclocking. Only the Core i5-12600T supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i5-12600T includes integrated graphics (UHD Graphics 770), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

Feature	Core i5-10400F	Core i5-12600T
Integrated GPU	No	Yes
IGPU Model	—	UHD Graphics 770
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Gaming	—

💰

Value Analysis

The Core i5-10400F launched at $160 MSRP, while the Core i5-12600T debuted at $223. On MSRP ($160 vs $223), the Core i5-10400F is $63 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 78.1 pts/$ for the Core i5-12600T — making the Core i5-10400F the 4.1% better value option.