Intel Core i7-4820K vs AMD FX-4320

Comparative analysis of Intel Core i7-4820K and AMD FX-4320 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Core i7-4820K

AMD FX-4320

Differences

Reasons to consider the Intel Core i7-4820K

CPU is newer: launch date 11 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more threads: 8 vs 4
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm SOI
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 25% better performance in PassMark - Single thread mark: 1956 vs 1564
2.1x better performance in PassMark - CPU mark: 6487 vs 3150
Around 54% better performance in Geekbench 4 - Single Core: 848 vs 550
2.4x better performance in Geekbench 4 - Multi-Core: 3531 vs 1472

Specifications (specs)
Launch date	September 2013 vs October 2012
Unlocked	Unlocked vs Locked
Number of threads	8 vs 4
Manufacturing process technology	22 nm vs 32 nm SOI
L1 cache	64 KB (per core) vs 192 KB
L3 cache	10240 KB (shared) vs 4 MB
Benchmarks
PassMark - Single thread mark	1956 vs 1564
PassMark - CPU mark	6487 vs 3150
Geekbench 4 - Single Core	848 vs 550
Geekbench 4 - Multi-Core	3531 vs 1472

Reasons to consider the AMD FX-4320

Around 5% higher clock speed: 4.1 GHz vs 3.90 GHz
Around 6% higher maximum core temperature: 70.50°C vs 66.8°C
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 37% lower typical power consumption: 95 Watt vs 130 Watt

Maximum frequency	4.1 GHz vs 3.90 GHz
Maximum core temperature	70.50°C vs 66.8°C
L2 cache	4 MB vs 256 KB (per core)
Thermal Design Power (TDP)	95 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Core i7-4820K
CPU 2: AMD FX-4320

PassMark - Single thread mark

CPU 1

CPU 2

1956

1564

PassMark - CPU mark

CPU 1

CPU 2

6487

3150

Geekbench 4 - Single Core

CPU 1

CPU 2

848

550

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3531

1472

Name	Intel Core i7-4820K	AMD FX-4320
PassMark - Single thread mark	1956	1564
PassMark - CPU mark	6487	3150
Geekbench 4 - Single Core	848	550
Geekbench 4 - Multi-Core	3531	1472
3DMark Fire Strike - Physics Score	3874
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	5.079
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	94.62
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.648
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.812
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.745

Compare specifications (specs)

	Intel Core i7-4820K	AMD FX-4320
Essentials
Architecture codename	Ivy Bridge E	Vishera
Launch date	September 2013	October 2012
Launch price (MSRP)	$399
Place in performance rating	2119	2122
Price now	$594.96
Processor Number	i7-4820K
Series	Intel® Core™ X-series Processors	AMD FX 4-Core Black Edition Processors
Status	Discontinued
Value for money (0-100)	4.81
Vertical segment	Desktop	Desktop
Family		AMD FX-Series Processors
OPN PIB		FD4320WMHKBOX
OPN Tray		FD4320WMW4MHK
Performance
64 bit support
Base frequency	3.70 GHz	4 GHz
Bus Speed	5 GT/s DMI2
Die size	257 mm	315 mm
L1 cache	64 KB (per core)	192 KB
L2 cache	256 KB (per core)	4 MB
L3 cache	10240 KB (shared)	4 MB
Manufacturing process technology	22 nm	32 nm SOI
Maximum core temperature	66.8°C	70.50°C
Maximum frequency	3.90 GHz	4.1 GHz
Number of cores	4	4
Number of threads	8	4
Transistor count	1860 million	1200 million
Unlocked
Memory
Max memory channels	4
Maximum memory bandwidth	59.7 GB/s
Maximum memory size	64 GB
Supported memory types	DDR3 1333/1600/1866	DDR3
Supported memory frequency		1866 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	52.5mm x 45.0mm
Sockets supported	FCLGA2011	AM3+
Thermal Design Power (TDP)	130 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0	Not Listed
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2, Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Fused Multiply-Add (FMA)
Fused Multiply-Add 4 (FMA4)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)