A6 PRO-7400B vs Core i3-4005U

A6 PRO-7400B vs Core i3-4005U Performance Spectrum

A6 PRO-7400B

2 / 2

1,640

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core i3-4005U

2 / 4

1,652

+0.7%

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.

A6 PRO-7400B vs Core i3-4005U 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.

A6 PRO-7400B vs Core i3-4005U: Pros, Cons & Final Verdict

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

A6 PRO-7400B

2014

Why buy it

✅Draws 65W instead of 512W, a 447W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with AMD Radeon R5, while Core i3-4005U needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,640 vs 1,652).

Core i3-4005U

2013

Why buy it

✅+0.7% higher PassMark.

Trade-offs

❌687.7% higher power demand at 512W vs 65W.
❌No integrated graphics, while A6 PRO-7400B can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is A6 PRO-7400B better than Core i3-4005U?

It depends on what you want from the system. For gaming, A6 PRO-7400B is ahead with a 2.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i3-4005U pulls ahead with 0.7% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i3-4005U is the stronger fit. You are getting 0.7% better PassMark, backed by 2 cores and 4 threads.

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

A6 PRO-7400B still makes the most sense overall. A6 PRO-7400B comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 2.5% average FPS lead across 50 shared CPU game tests in our data.

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

A6 PRO-7400B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2013). That makes it the safer long-term bet.

A6 PRO-7400B vs Core i3-4005U Technical Specifications

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

A6 PRO-7400B

The A6 PRO-7400B is manufactured by AMD. It was released in 31 July 2014 (11 years ago). It is based on the Kaveri (2014−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,640 points. Launch price was $69.

Core i3-4005U

The Core i3-4005U is manufactured by Intel. It was released in 4 September 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,652 points. Launch price was $69.

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Processing Power

The A6 PRO-7400B packs 2 cores / 2 threads, matching the Core i3-4005U's 2 cores. Boost clocks reach 3.9 GHz on the A6 PRO-7400B versus 1.7 GHz on the Core i3-4005U — a 78.6% clock advantage for the A6 PRO-7400B (base: 3.5 GHz vs 1.7 GHz). The A6 PRO-7400B uses the Kaveri (2014−2015) architecture (28 nm), while the Core i3-4005U uses Haswell (2013−2015) (22 nm). In PassMark, the A6 PRO-7400B scores 1,640 against the Core i3-4005U's 1,652 — a 0.7% lead for the Core i3-4005U.

Feature	A6 PRO-7400B	Core i3-4005U
Cores / Threads	2 / 2	2 / 4
Boost Clock	3.9 GHz+129%	1.7 GHz
Base Clock	3.5 GHz+106%	1.7 GHz
L3 Cache	—	3 MB (total)
L2 Cache	1024 kB+300%	256K (per core)
Process	28 nm	22 nm-21%
Architecture	Kaveri (2014−2015)	Haswell (2013−2015)
PassMark	1,640	1,652

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Memory & Platform

The A6 PRO-7400B uses the FM2+ socket (PCIe 3.0), while the Core i3-4005U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.