Core i5-10400F vs Phenom II X6 1035T

Core i5-10400F vs Phenom II X6 1035T Performance Spectrum

Core i5-10400F

6 / 12

13,029

+332.6%

3,012

0.0%

Ryzen Threadripper 1950

Ryzen AI Max 390

Ryzen 9 9955HX3D

Ryzen Threadripper 3990X

About PassMark

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.

Core i5-10400F vs Phenom II X6 1035T FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i5-10400F vs Phenom II X6 1035T: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-10400F

2020

Why buy it

✅Better for gaming: +173.7% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (12 MB vs 6 MB).
✅Draws 65W instead of 95W, a 30W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $160 MSRP, while Phenom II X6 1035T mostly shows up through inconsistent older-market listings.

Phenom II X6 1035T

2010

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-10400F across 50 shared CPU benchmark tests.
❌Lower Cinebench R23 multi-core (2,670 vs 8,191).
❌Smaller total L3 cache (6 MB vs 12 MB).
❌46.2% higher power demand at 95W vs 65W.

Quick Answers

So, is Core i5-10400F better than Phenom II X6 1035T?

Yes. Core i5-10400F is the better all-around CPU here. It gives you a 173.7% average FPS lead across 50 shared CPU game tests in our data, 206.8% better Cinebench R23 multi-core, 332.6% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i5-10400F is the better pick. According to our tests, it delivers 173.7% 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, Core i5-10400F is the stronger fit. You are getting 206.8% better Cinebench R23 multi-core, backed by 6 cores and 12 threads. It also has the larger cache pool with 100% larger total L3 cache (12 MB vs 6 MB).

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

Core i5-10400F is the better buy right now. Core i5-10400F comes in at an unclear MSRP at $160 MSRP versus unclear MSRP, and it still gives you a 173.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (81.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-10400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2010), 100% larger total L3 cache (12 MB vs 6 MB), and more multi-core headroom with 6 cores / 12 threads instead of 6/6. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-10400F vs Phenom II X6 1035T Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

Phenom II X6 1035T

The Phenom II X6 1035T is manufactured by AMD. It was released in 27 April 2010 (15 years ago). It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.6 GHz, with boost up to 3.1 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,012 points. Launch price was $189.

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Processing Power

The Core i5-10400F packs 6 cores / 12 threads, matching the Phenom II X6 1035T's 6 cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 3.1 GHz on the Phenom II X6 1035T — a 32.4% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2.6 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Phenom II X6 1035T uses Thuban (2010) (45 nm). In PassMark, the Core i5-10400F scores 13,029 against the Phenom II X6 1035T's 3,012 — a 124.9% lead for the Core i5-10400F. Cinebench R23 multi-core: 8,191 vs 2,670 (101.7% advantage for the Core i5-10400F). L3 cache: 12 MB (total) on the Core i5-10400F vs 6 MB (total) on the Phenom II X6 1035T.

Feature	Core i5-10400F	Phenom II X6 1035T
Cores / Threads	6 / 12	6 / 6
Boost Clock	4.3 GHz+39%	3.1 GHz
Base Clock	2.9 GHz+12%	2.6 GHz
L3 Cache	12 MB (total)+100%	6 MB (total)
L2 Cache	256K (per core)	512 kB (per core)+100%
Process	14 nm-69%	45 nm
Architecture	Comet Lake (2020−2025)	Thuban (2010)
PassMark	13,029+333%	3,012
Cinebench R23 Multi	8,191+207%	2,670
Geekbench 6 Single	1,454	—
Geekbench 6 Multi	5,783	—

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Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Phenom II X6 1035T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR3-1333 on the Phenom II X6 1035T — the Core i5-10400F supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both feature 2-channel memory with ECC support. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and AM3 (Phenom II X6 1035T).

Feature	Core i5-10400F	Phenom II X6 1035T
Socket	LGA1200	AM3
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2666+100%	DDR3-1333
Max RAM Capacity	128 GB	—
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	—

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Advanced Features

Only the Phenom II X6 1035T has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i5-10400F) vs AMD-V (Phenom II X6 1035T). Primary use case: Core i5-10400F targets Gaming, Phenom II X6 1035T targets Budget. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Phenom II X6 1035T rivals Core i5-750.