AMD FX-6100 vs AMD Phenom II X4 840

Comparative analysis of AMD FX-6100 and AMD Phenom II X4 840 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, 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).

AMD FX-6100

AMD Phenom II X4 840

Differences

Reasons to consider the AMD FX-6100

CPU is newer: launch date 8 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 6 vs 4
2 more threads: 6 vs 4
Around 22% higher clock speed: 3.9 GHz vs 3.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm SOI vs 45 nm
3x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 1% better performance in PassMark - Single thread mark: 1316 vs 1297
Around 53% better performance in PassMark - CPU mark: 3684 vs 2401
Around 19% better performance in Geekbench 4 - Single Core: 466 vs 391
Around 28% better performance in Geekbench 4 - Multi-Core: 1702 vs 1325
2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 6.171 vs 2.92
Around 79% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 15.905 vs 8.884
2.1x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.327 vs 0.159
Around 26% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.915 vs 3.91

Specifications (specs)
Launch date	October 2011 vs January 2011
Unlocked	Unlocked vs Locked
Number of cores	6 vs 4
Number of threads	6 vs 4
Maximum frequency	3.9 GHz vs 3.2 GHz
Manufacturing process technology	32 nm SOI vs 45 nm
L2 cache	6 MB vs 2 MB
Benchmarks
PassMark - Single thread mark	1316 vs 1297
PassMark - CPU mark	3684 vs 2401
Geekbench 4 - Single Core	466 vs 391
Geekbench 4 - Multi-Core	1702 vs 1325
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	6.171 vs 2.92
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	15.905 vs 8.884
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.327 vs 0.159
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.915 vs 3.91

Reasons to consider the AMD Phenom II X4 840

Around 1% higher maximum core temperature: 71°C vs 70°C
Around 78% more L1 cache; more data can be stored in the L1 cache for quick access later

Maximum core temperature	71°C vs 70°C
L1 cache	512 KB vs 288 KB

Compare benchmarks

CPU 1: AMD FX-6100
CPU 2: AMD Phenom II X4 840

PassMark - Single thread mark

CPU 1

CPU 2

1316

1297

PassMark - CPU mark

CPU 1

CPU 2

3684

2401

Geekbench 4 - Single Core

CPU 1

CPU 2

466

391

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1702

1325

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

6.171

2.92

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

15.905

8.884

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.327

0.159

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.915

3.91

Name	AMD FX-6100	AMD Phenom II X4 840
PassMark - Single thread mark	1316	1297
PassMark - CPU mark	3684	2401
Geekbench 4 - Single Core	466	391
Geekbench 4 - Multi-Core	1702	1325
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	6.171	2.92
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	15.905	8.884
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.327	0.159
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.606
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.915	3.91

Compare specifications (specs)

	AMD FX-6100	AMD Phenom II X4 840
Essentials
Architecture codename	Zambezi	Propus
Family	AMD FX-Series Processors	AMD Phenom
Launch date	October 2011	January 2011
OPN PIB	FD6100WMGUSBX	HDX840WFGMBOX
OPN Tray	FD6100WMW6KGU	HDX840WFK42GM
Place in performance rating	2847	2862
Price now	$299	$89.95
Series	AMD FX 6-Core Black Edition Processors	AMD Phenom II X4
Value for money (0-100)	5.30	11.50
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$90
Performance
64 bit support
Base frequency	3.3 GHz	3.2 GHz
Die size	315 mm	169 mm
L1 cache	288 KB	512 KB
L2 cache	6 MB	2 MB
L3 cache	8 MB
Manufacturing process technology	32 nm SOI	45 nm
Maximum core temperature	70°C	71°C
Maximum frequency	3.9 GHz	3.2 GHz
Number of cores	6	4
Number of threads	6	4
Transistor count	1200 million	300 million
Unlocked
Memory
Supported memory frequency	1866 MHz
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3+	AM3
Thermal Design Power (TDP)	95 Watt	95 Watt
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)