Core i7-2600K vs FX-8320

CPU

GPU

Core i7-2600K

4 Cores8 Thrd95 WWMax: 3.8 GHz2011

Similar parts

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FX-8320

8 Cores8 Thrd125 WWMax: 4 GHz2012

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Core i7-2600K vs FX-8320 Performance Spectrum

Core i7-2600K

4 / 8

5,484

+0.2%

5,472

0.0%

Athlon X4 830

Athlon X4 880K

Ryzen Embedded R1606G

FX-8140

Ryzen 7 5700

Ryzen AI Max PRO 390

Ryzen Threadripper PRO 3975WX

Ryzen Threadripper PRO 7965WX

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 i7-2600K vs FX-8320 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 i7-2600K vs FX-8320: Pros, Cons & Final Verdict

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

Core i7-2600K

2011

Why buy it

✅+0.2% higher PassMark.
✅Draws 95W instead of 125W, a 30W reduction.
✅Integrated graphics onboard with HD Graphics 3000, while FX-8320 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than FX-8320 across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 17.3 vs 32.4 PassMark/$ ($317 MSRP vs $169 MSRP).

FX-8320

2012

Why buy it

✅Better for gaming: +9.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $148 less on MSRP ($169 MSRP vs $317 MSRP).
✅Delivers 87.2% more PassMark for each dollar spent, at 32.4 vs 17.3 PassMark/$ ($169 MSRP vs $317 MSRP).

Trade-offs

❌Lower PassMark (5,472 vs 5,484).
❌31.6% higher power demand at 125W vs 95W.
❌No integrated graphics, while Core i7-2600K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is FX-8320 better than Core i7-2600K?

It depends on what you want from the system. For gaming, FX-8320 is ahead with a 9.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-2600K pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i7-2600K is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 8 threads.

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

FX-8320 is the better buy right now. FX-8320 comes in $148 cheaper on MSRP at $169 MSRP versus $317 MSRP, and it still gives you a 9.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i7-2600K is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 87.2% better value on MSRP (32.4 vs 17.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

FX-8320 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011). That makes it the safer long-term bet.

Core i7-2600K vs FX-8320 Technical Specifications

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

Core i7-2600K

The Core i7-2600K is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,484 points. Launch price was $317.

FX-8320

The FX-8320 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Vishera (2012−2015) architecture. It features 8 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 4 GHz. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 5,472 points. Launch price was $149.

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Processing Power

The Core i7-2600K packs 4 cores / 8 threads, while the FX-8320 offers 8 cores / 8 threads — the FX-8320 has 4 more cores. Boost clocks reach 3.8 GHz on the Core i7-2600K versus 4 GHz on the FX-8320 — a 5.1% clock advantage for the FX-8320 (base: 3.4 GHz vs 3.5 GHz). The Core i7-2600K uses the Sandy Bridge (2011−2013) architecture (32 nm), while the FX-8320 uses Vishera (2012−2015) (32 nm). In PassMark, the Core i7-2600K scores 5,484 against the FX-8320's 5,472 — a 0.2% lead for the Core i7-2600K. Geekbench 6 single-core — the metric most relevant to gaming — records 707 vs 458, a 42.7% lead for the Core i7-2600K that directly translates to higher frame rates.

Feature	Core i7-2600K	FX-8320
Cores / Threads	4 / 8	8 / 8+100%
Boost Clock	3.8 GHz	4 GHz+5%
Base Clock	3.4 GHz	3.5 GHz+3%
L3 Cache	8 MB (total)	—
L2 Cache	256K (per core)	8192 kB+3100%
Process	32 nm	32 nm
Architecture	Sandy Bridge (2011−2013)	Vishera (2012−2015)
PassMark	5,484	5,472
Cinebench R23 Multi	—	4,500
Geekbench 6 Single	707+54%	458
Geekbench 6 Multi	—	1,791

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Memory & Platform

The Core i7-2600K uses the LGA1155 socket (PCIe 2.0), while the FX-8320 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i7-2600K versus DDR3-1866 on the FX-8320 — the FX-8320 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P67,Z68,Z77,H67,H61,B75 (Core i7-2600K) and 970,990X,990FX (FX-8320).

Feature	Core i7-2600K	FX-8320
Socket	LGA1155	AM3+
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1333	DDR3-1866+40%
Max RAM Capacity	32 GB	32 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x (Core i7-2600K) vs AMD-V (FX-8320). The Core i7-2600K includes integrated graphics (HD Graphics 3000), while the FX-8320 requires a dedicated GPU. Primary use case: Core i7-2600K targets Gaming Desktop, FX-8320 targets Productivity. Direct competitor: Core i7-2600K rivals FX-8150; FX-8320 rivals Core i5-3570.

Feature	Core i7-2600K	FX-8320
Integrated GPU	Yes	No
IGPU Model	HD Graphics 3000	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x	AMD-V
Target Use	Gaming Desktop	Productivity

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Value Analysis

At launch, the Core i7-2600K was priced at $317, while the FX-8320 came in at $169. On launch pricing ($317 vs $169), FX-8320 was $148 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-2600K delivers 17.3 pts/$ vs 32.4 pts/$ for the FX-8320 — making the FX-8320 the 60.7% better value option.

Feature	Core i7-2600K	FX-8320
MSRP	$317	$169-47%
Performance per Dollar	17.3	32.4+87%
Release Date	2011	2012

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