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Intel Core i7-3770K vs AMD FX-8320E

Last updated: 2026-06-06

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

Intel Core i7-3770K

Rank 2 - 57 %

AMD FX-8320E

Multi-core performance

Rank 1 - 100 %

Intel Core i7-3770K

Rank 2 - 83 %

AMD FX-8320E

Cinebench R20 Single-Core
Single-core performance

4C / 8T · 3.90 GHz

286 cb

8C / 8T · 4.00 GHz

188 cb

Geekbench 5, 64bit Single-Core
Single-core performance

4C / 8T · 3.90 GHz

873

8C / 8T · 4.00 GHz

500

Cinebench R20 Multi-Core
Multi-core performance

4C / 8T · 3.90 GHz

1,391 cb

8C / 8T · 3.60 GHz

999 cb

Geekbench 5, 64bit Multi-Core
Multi-core performance

4C / 8T · 3.90 GHz

3,409

8C / 8T · 3.60 GHz

2,269

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

4C / 8T · 3.50 GHz

1,866

8C / 8T · 3.20 GHz

1,235

Cinebench R15 (Single-Core)
Single-core performance

4C / 8T · 3.90 GHz

137 cb

8C / 8T · 4.00 GHz

91 cb

Cinebench R15 (Multi-Core)
Multi-core performance

4C / 8T · 3.90 GHz

672 cb

8C / 8T · 3.60 GHz

584 cb

More benchmarks

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Cinebench R20 (SC)
666 entries

Geekbench 5 (SC)
2,512 entries

Cinebench R20 (MC)
615 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

V-Ray CPU-Render
251 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Cinebench R11.5 iGPU
383 entries

Specifications

At a glance

Wischen	Intel Core i7-3770K	AMD FX-8320E
Family	Intel Core i7 (300)	AMD FX (30)
CPU group	Intel Core i 3000 (31)	AMD FX-8000 (11)
Architecture	Ivy Bridge S	Vishera (Bulldozer)
Technology	22 nm	32 nm
Segment	Desktop	Desktop
Socket	LGA 1155	AM3+
Predecessor
Successor	Intel Core i7-4770K

CPU Cores and Base Frequency

Wischen	Intel Core i7-3770K	AMD FX-8320E
CPU Cores / Threads	4 / 8	8 / 8
Hyperthreading / SMT	✓	✗
Core architecture	normal	normal
Cores:	4x	8x
Frequency:	3.50 GHz	3.20 GHz
Turbo (1 Core):	3.90 GHz	4.00 GHz
Turbo (All Cores):	3.90 GHz	3.60 GHz
L2-Cache
L3-Cache	8.00 MB	8.00 MB
Overclocking	✓	✓

Integrated graphics (iGPU)

Wischen	Intel Core i7-3770K	AMD FX-8320E
GPU name	Intel HD Graphics 4000	no iGPU
GPU frequency	0.65 - 1.15 GHz
CUs / Shader	16 / 128	/
Raytracing	✗	✗
Max. displays	3
Max. GPU Memory	2 GB
Technology	22 nm
Release date	Q1/2011

NPU AI performance

Wischen	Intel Core i7-3770K	AMD FX-8320E
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Core i7-3770K	AMD FX-8320E
Memory	DDR3-1600 (25.6 GB/s)	DDR3-1866 (29.9 GB/s)
Max. Memory	32 GB
Memory channels	2	2
ECC	No	Yes
PCIe	3.0 x 16
PCIe Bandwidth	15.8 GB/s

Thermal Management

Wischen	Intel Core i7-3770K	AMD FX-8320E
TDP	77 W	95 W
TDP (PL2)
TDP up
TDP down
T. junction max.

Technical details

Wischen	Intel Core i7-3770K	AMD FX-8320E
Chip design	Monolithic	Unknown
AES-NI	✓	✓
Operating systems	Windows 10, Linux	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX	SSE4.1, SSE4.2, AVX, FMA3, FMA4
Release date	Q2/2012	Q3/2014
Release price	275 $	125 $
Documents	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i7-3770K is 4.2 stars (39 ratings), while AMD FX-8320E has received 4.4 stars (14 ratings).

Click on the stars to rate one or both processors.

Intel Core i7-3770K
4C / 8T · 3.50 - 3.90 GHz

★★★★★

AMD FX-8320E
8C / 8T · 3.20 - 4.00 GHz

★★★★★