Core i7-2600K vs FX-8320

Intel

Core i7-2600K

4 Cores8 Thrd95 WWMax: 3.8 GHz2011

Popular choices:

VS
AMD

FX-8320

8 Cores8 Thrd125 WWMax: 4 GHz2012

Popular choices:

Performance Spectrum - CPU

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.

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 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 4 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: +3.5% higher average FPS across 4 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 matters more to you. For gaming, FX-8320 is ahead with a 3.5% average FPS lead across 4 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 better 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 smarter buy today. FX-8320 is $148 cheaper on MSRP at $169 MSRP versus $317 MSRP, and it gives you a 3.5% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Core i7-2600K is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 87.2% better value on MSRP (32.4 vs 17.3 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
FX-8320 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011). That makes it the safer long-term pick.

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.

Path of Exile 2

Path of Exile 2

PresetCore i7-2600KFX-8320
1080p
low137 FPS137 FPS
medium137 FPS137 FPS
high114 FPS118 FPS
ultra92 FPS98 FPS
1440p
low137 FPS137 FPS
medium118 FPS120 FPS
high93 FPS95 FPS
ultra75 FPS77 FPS
4K
low64 FPS65 FPS
medium57 FPS58 FPS
high45 FPS45 FPS
ultra35 FPS36 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-2600KFX-8320
1080p
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra126 FPS137 FPS
1440p
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra112 FPS137 FPS
4K
low133 FPS137 FPS
medium118 FPS137 FPS
high96 FPS137 FPS
ultra69 FPS120 FPS
League of Legends

League of Legends

PresetCore i7-2600KFX-8320
1080p
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra137 FPS137 FPS
1440p
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra137 FPS137 FPS
4K
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra137 FPS137 FPS
Valorant

Valorant

PresetCore i7-2600KFX-8320
1080p
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra137 FPS137 FPS
1440p
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra137 FPS137 FPS
4K
low137 FPS137 FPS
medium137 FPS137 FPS
high137 FPS137 FPS
ultra137 FPS137 FPS

Technical Specifications

Side-by-side comparison of Core i7-2600K and FX-8320

Intel

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.

AMD

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.

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.

FeatureCore i7-2600KFX-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
🧠

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. Both support up to DDR3-1333 memory speed. 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).

FeatureCore i7-2600KFX-8320
Socket
LGA1155
AM3+
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3-1333
DDR3-1866
Max RAM Capacity
32 GB
32 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
16
16
🔧

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.

FeatureCore i7-2600KFX-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
💰

Value Analysis

The Core i7-2600K launched at $317 MSRP, while the FX-8320 debuted at $169. On MSRP ($317 vs $169), the FX-8320 is $148 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-2600K delivers 17.3 pts/$ vs 32.4 pts/$ for the FX-8320 — making the FX-8320 the 60.7% better value option.

FeatureCore i7-2600KFX-8320
MSRP
$317
$169-47%
Performance per Dollar
17.3
32.4+87%
Release Date
2011
2012