A10-7870K vs Core i7-975

A10-7870K vs Core i7-975 Performance Spectrum

A10-7870K

4 / 4

3,506

0.0%

Ryzen Threadripper 3990X

Core i7-975

4 / 8

3,527

+0.6%

Core M-5Y71

Core m7-6Y75

Celeron Dual-Core T1400

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.

A10-7870K vs Core i7-975 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.

A10-7870K vs Core i7-975: Pros, Cons & Final Verdict

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

A10-7870K

2015

Why buy it

✅Draws 95W instead of 130W, a 35W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon R7, while Core i7-975 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Core i7-975.

Trade-offs

❌Lower PassMark (3,506 vs 3,527).

Core i7-975

2009

Why buy it

✅+0.6% higher PassMark.

Trade-offs

❌Launch MSRP is still $999 MSRP, while A10-7870K mostly shows up through inconsistent older-market listings.
❌36.8% higher power demand at 130W vs 95W.
❌No integrated graphics, while A10-7870K can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike A10-7870K.

Quick Answers

So, is A10-7870K better than Core i7-975?

It depends on what you want from the system. For gaming, A10-7870K is ahead with a 1.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-975 pulls ahead with 0.6% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i7-975 is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 8 threads.

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

A10-7870K is still the much better call for a fresh build. A10-7870K comes in at an unclear MSRP at unclear MSRP versus $999 MSRP, and it still gives you a 1.7% average FPS lead across 50 shared CPU game tests in our data. Core i7-975 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (3.5 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1366.

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

A10-7870K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2009). That makes it the safer long-term bet.

A10-7870K vs Core i7-975 Technical Specifications

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

A10-7870K

The A10-7870K is manufactured by AMD. It was released in 28 May 2015 (10 years ago). It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.9 GHz, with boost up to 4.1 GHz. L3 cache: 0 kB. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,506 points. Launch price was $120.

Core i7-975

The Core i7-975 is manufactured by Intel. It was released in 2 June 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.33 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,527 points. Launch price was $476.

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Processing Power

The A10-7870K packs 4 cores / 4 threads, matching the Core i7-975's 4 cores. Boost clocks reach 4.1 GHz on the A10-7870K versus 3.6 GHz on the Core i7-975 — a 13% clock advantage for the A10-7870K (base: 3.9 GHz vs 3.33 GHz). The A10-7870K uses the Godaveri (2014−2016) architecture (28 nm), while the Core i7-975 uses Bloomfield (2008−2010) (45 nm). In PassMark, the A10-7870K scores 3,506 against the Core i7-975's 3,527 — a 0.6% lead for the Core i7-975. L3 cache: 0 kB on the A10-7870K vs 8 MB (total) on the Core i7-975.

Feature	A10-7870K	Core i7-975
Cores / Threads	4 / 4	4 / 8
Boost Clock	4.1 GHz+14%	3.6 GHz
Base Clock	3.9 GHz+17%	3.33 GHz
L3 Cache	0 kB	8 MB (total)
L2 Cache	4096 kB+1500%	256 kB (per core)
Process	28 nm-38%	45 nm
Architecture	Godaveri (2014−2016)	Bloomfield (2008−2010)
PassMark	3,506	3,527
Geekbench 6 Single	550	—

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Memory & Platform

The A10-7870K uses the FM2+ socket (PCIe 3.0), while the Core i7-975 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	A10-7870K	Core i7-975
Socket	FM2+	LGA1366
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-2133	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: AMD-V (A10-7870K) / not specified (Core i7-975). The A10-7870K includes integrated graphics (Radeon R7), while the Core i7-975 requires a dedicated GPU. Primary use case: A10-7870K targets Budget. Direct competitor: A10-7870K rivals Core i3-4370.