Intel Core i7-6900K vs AMD FX-8100

Comparative analysis of Intel Core i7-6900K and AMD FX-8100 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, 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 i7-6900K

AMD FX-8100

Differences

Reasons to consider the Intel Core i7-6900K

CPU is newer: launch date 4 year(s) 7 month(s) later
Around 32% higher clock speed: 3.70 GHz vs 2.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
2x better performance in PassMark - Single thread mark: 2328 vs 1151
3.6x better performance in PassMark - CPU mark: 14470 vs 4055
Around 10% better performance in Geekbench 4 - Multi-Core: 7893 vs 7176

Specifications (specs)
Launch date	May 2016 vs October 2011
Maximum frequency	3.70 GHz vs 2.8 GHz
Manufacturing process technology	14 nm vs 32 nm
L3 cache	20480 KB (shared) vs 8192 KB (shared)
Benchmarks
PassMark - Single thread mark	2328 vs 1151
PassMark - CPU mark	14470 vs 4055
Geekbench 4 - Multi-Core	7893 vs 7176

Reasons to consider the AMD FX-8100

Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
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 99% better performance in Geekbench 4 - Single Core: 1999 vs 1005

Specifications (specs)
L1 cache	384 KB vs 32 KB (per core)
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 1005

Compare benchmarks

CPU 1: Intel Core i7-6900K
CPU 2: AMD FX-8100

PassMark - Single thread mark

CPU 1

CPU 2

2328

1151

PassMark - CPU mark

CPU 1

CPU 2

14470

4055

Geekbench 4 - Single Core

CPU 1

CPU 2

1005

1999

Geekbench 4 - Multi-Core

CPU 1

CPU 2

7893

7176

Name	Intel Core i7-6900K	AMD FX-8100
PassMark - Single thread mark	2328	1151
PassMark - CPU mark	14470	4055
Geekbench 4 - Single Core	1005	1999
Geekbench 4 - Multi-Core	7893	7176
3DMark Fire Strike - Physics Score	8778
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	10.395
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	179.127
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.3
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.194
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	13.602

Compare specifications (specs)

	Intel Core i7-6900K	AMD FX-8100
Essentials
Architecture codename	Broadwell E	Zambezi
Launch date	May 2016	October 2011
Launch price (MSRP)	$1,020
Place in performance rating	1318	1339
Price now	$1,198.99	$142
Processor Number	i7-6900K
Series	Intel® Core™ X-series Processors
Status	Discontinued
Value for money (0-100)	4.35	12.48
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.20 GHz
L1 cache	32 KB (per core)	384 KB
L2 cache	256 KB (per core)	8192 KB
L3 cache	20480 KB (shared)	8192 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum case temperature (TCase)	72 °C
Maximum frequency	3.70 GHz	2.8 GHz
Number of cores	8	8
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 2400/2133	DDR3
Graphics
Processor graphics	None
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA2011-3	AM3+
Thermal Design Power (TDP)	140 Watt	95 Watt
Peripherals
Max number of PCIe lanes	40
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
Idle States
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Smart Response technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Turbo Boost Max 3.0
Fused Multiply-Add (FMA)
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™)