AMD FX-4100 vs AMD Phenom II X4 B95

Comparative analysis of AMD FX-4100 and AMD Phenom II X4 B95 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, 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-4100

AMD Phenom II X4 B95

Differences

Reasons to consider the AMD FX-4100

CPU is newer: launch date 2 year(s) 0 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 27% higher clock speed: 3.8 GHz vs 3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm SOI vs 45 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 4% better performance in PassMark - Single thread mark: 1286 vs 1242
Around 9% better performance in PassMark - CPU mark: 2610 vs 2401
Around 20% better performance in Geekbench 4 - Single Core: 463 vs 386
Around 31% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.203 vs 3.2
Around 41% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 10.462 vs 7.417
Around 40% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.234 vs 0.167
Around 61% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 0.51 vs 0.316

Specifications (specs)
Launch date	October 2011 vs October 2009
Unlocked	Unlocked vs Locked
Maximum frequency	3.8 GHz vs 3 GHz
Manufacturing process technology	32 nm SOI vs 45 nm
L2 cache	4 MB vs 512 KB (per core)
L3 cache	8 MB vs 6144 KB (shared)
Benchmarks
PassMark - Single thread mark	1286 vs 1242
PassMark - CPU mark	2610 vs 2401
Geekbench 4 - Single Core	463 vs 386
Geekbench 4 - Multi-Core	1286 vs 1280
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.203 vs 3.2
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.462 vs 7.417
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.234 vs 0.167
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.51 vs 0.316

Reasons to consider the AMD Phenom II X4 B95

2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 18% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.481 vs 2.939

Specifications (specs)
L1 cache	128 KB (per core) vs 192 KB
Benchmarks
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.481 vs 2.939

Compare benchmarks

CPU 1: AMD FX-4100
CPU 2: AMD Phenom II X4 B95

PassMark - Single thread mark

CPU 1

CPU 2

1286

1242

PassMark - CPU mark

CPU 1

CPU 2

2610

2401

Geekbench 4 - Single Core

CPU 1

CPU 2

463

386

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1286

1280

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

4.203

3.2

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

CPU 1

CPU 2

10.462

7.417

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

CPU 1

CPU 2

0.234

0.167

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.51

0.316

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

2.939

3.481

Name	AMD FX-4100	AMD Phenom II X4 B95
PassMark - Single thread mark	1286	1242
PassMark - CPU mark	2610	2401
Geekbench 4 - Single Core	463	386
Geekbench 4 - Multi-Core	1286	1280
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.203	3.2
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.462	7.417
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.234	0.167
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.51	0.316
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.939	3.481

Compare specifications (specs)

	AMD FX-4100	AMD Phenom II X4 B95
Essentials
Architecture codename	Zambezi	Deneb
Family	AMD FX-Series Processors	AMD Phenom
Launch date	October 2011	October 2009
OPN PIB	FD4100WMGUSBX
OPN Tray	FD4100WMW4KGU	HDXB95WFK4DGM
Place in performance rating	2979	2983
Price now	$129.99	$72.95
Series	AMD FX 4-Core Black Edition Processors	AMD Business Class - AMD Phenom X4 Quad-Core
Value for money (0-100)	9.22	14.95
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$80
Performance
64 bit support
Base frequency	3.6 GHz	3 GHz
Die size	315 mm	258 mm
L1 cache	192 KB	128 KB (per core)
L2 cache	4 MB	512 KB (per core)
L3 cache	8 MB	6144 KB (shared)
Manufacturing process technology	32 nm SOI	45 nm
Maximum core temperature	70.50°C
Maximum frequency	3.8 GHz	3 GHz
Number of cores	4	4
Number of threads	4
P0 Vcore voltage	Min: 1.1 V - Max: 1.4125 V
Transistor count	1200 million	758 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
Peripherals
PCI Express revision	n / a
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)