Intel Core i7-7820X vs AMD FX-8100

Comparative analysis of Intel Core i7-7820X and AMD FX-8100 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 i7-7820X

AMD FX-8100

Differences

Reasons to consider the Intel Core i7-7820X

CPU is newer: launch date 5 year(s) 8 month(s) later
Around 54% higher clock speed: 4.30 GHz vs 2.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 38% more L3 cache; more data can be stored in the L3 cache for quick access later
2.2x better performance in PassMark - Single thread mark: 2523 vs 1154
4.2x better performance in PassMark - CPU mark: 17140 vs 4073
Around 23% better performance in Geekbench 4 - Multi-Core: 8814 vs 7176

Specifications (specs)
Launch date	June 2017 vs October 2011
Maximum frequency	4.30 GHz vs 2.8 GHz
Manufacturing process technology	14 nm vs 32 nm
L1 cache	64 KB (per core) vs 384 KB
L3 cache	11264 KB (shared) vs 8192 KB (shared)
Benchmarks
PassMark - Single thread mark	2523 vs 1154
PassMark - CPU mark	17140 vs 4073
Geekbench 4 - Multi-Core	8814 vs 7176

Reasons to consider the AMD FX-8100

4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 47% lower typical power consumption: 95 Watt vs 140 Watt
Around 76% better performance in Geekbench 4 - Single Core: 1999 vs 1138

Specifications (specs)
L2 cache	8192 KB vs 256 KB (per core)
Thermal Design Power (TDP)	95 Watt vs 140 Watt
Benchmarks
Geekbench 4 - Single Core	1999 vs 1138

Compare benchmarks

CPU 1: Intel Core i7-7820X
CPU 2: AMD FX-8100

PassMark - Single thread mark

CPU 1

CPU 2

2523

1154

PassMark - CPU mark

CPU 1

CPU 2

17140

4073

Geekbench 4 - Single Core

CPU 1

CPU 2

1138

1999

Geekbench 4 - Multi-Core

CPU 1

CPU 2

8814

7176

Name	Intel Core i7-7820X	AMD FX-8100
PassMark - Single thread mark	2523	1154
PassMark - CPU mark	17140	4073
Geekbench 4 - Single Core	1138	1999
Geekbench 4 - Multi-Core	8814	7176
3DMark Fire Strike - Physics Score	5958
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	10.666
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	159.198
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.92
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.968
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	16.376

Compare specifications (specs)

	Intel Core i7-7820X	AMD FX-8100
Essentials
Architecture codename	Skylake	Zambezi
Launch date	June 2017	October 2011
Launch price (MSRP)	$679
Place in performance rating	1380	1344
Price now	$499.99	$142
Processor Number	i7-7820X
Series	Intel® Core™ X-series Processors
Status	Launched
Value for money (0-100)	10.93	12.48
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.60 GHz
Bus Speed	8 GT/s DMI3
L1 cache	64 KB (per core)	384 KB
L2 cache	256 KB (per core)	8192 KB
L3 cache	11264 KB (shared)	8192 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum case temperature (TCase)	72 °C
Maximum core temperature	99°C
Maximum frequency	4.30 GHz	2.8 GHz
Number of cores	8	8
Number of QPI Links	0
Number of threads	16
Unlocked
Die size		315 mm
Transistor count		1200 million
Memory
Max memory channels	4
Maximum memory size	128 GB
Supported memory types	DDR4-2666	DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2066	AM3+
Thermal Design Power (TDP)	140 Watt	95 Watt
Thermal Solution	PCG 2017X
Peripherals
Max number of PCIe lanes	28
PCI Express revision	3.0
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
Fused Multiply-Add (FMA)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)