AMD FX-4100 vs AMD Phenom II X4 925

Comparative analysis of AMD FX-4100 and AMD Phenom II X4 925 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 925

Differences

Reasons to consider the AMD FX-4100

CPU is newer: launch date 2 year(s) 5 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 36% higher clock speed: 3.8 GHz vs 2.8 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 12% better performance in PassMark - Single thread mark: 1288 vs 1150
Around 15% better performance in PassMark - CPU mark: 2617 vs 2272
Around 30% better performance in Geekbench 4 - Single Core: 463 vs 357
Around 12% better performance in Geekbench 4 - Multi-Core: 1286 vs 1147
3.9x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.203 vs 1.088
Around 19% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.234 vs 0.197

Specifications (specs)
Launch date	October 2011 vs May 2009
Unlocked	Unlocked vs Locked
Maximum frequency	3.8 GHz vs 2.8 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	1288 vs 1150
PassMark - CPU mark	2617 vs 2272
Geekbench 4 - Single Core	463 vs 357
Geekbench 4 - Multi-Core	1286 vs 1147
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.203 vs 1.088
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.462 vs 10.457
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.234 vs 0.197

Reasons to consider the AMD Phenom II X4 925

2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 10% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 3.231 vs 2.939

Specifications (specs)
L1 cache	128 KB (per core) vs 192 KB
Benchmarks
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.231 vs 2.939

Compare benchmarks

CPU 1: AMD FX-4100
CPU 2: AMD Phenom II X4 925

PassMark - Single thread mark

CPU 1

CPU 2

1288

1150

PassMark - CPU mark

CPU 1

CPU 2

2617

2272

Geekbench 4 - Single Core

CPU 1

CPU 2

463

357

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1286

1147

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

4.203

1.088

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

CPU 1

CPU 2

10.462

10.457

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

CPU 1

CPU 2

0.234

0.197

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

2.939

3.231

Name	AMD FX-4100	AMD Phenom II X4 925
PassMark - Single thread mark	1288	1150
PassMark - CPU mark	2617	2272
Geekbench 4 - Single Core	463	357
Geekbench 4 - Multi-Core	1286	1147
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.203	1.088
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.462	10.457
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.234	0.197
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.51
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2.939	3.231

Compare specifications (specs)

	AMD FX-4100	AMD Phenom II X4 925
Essentials
Architecture codename	Zambezi	Deneb
Family	AMD FX-Series Processors
Launch date	October 2011	May 2009
OPN PIB	FD4100WMGUSBX
OPN Tray	FD4100WMW4KGU
Place in performance rating	2960	2969
Price now	$129.99	$43.99
Series	AMD FX 4-Core Black Edition Processors
Value for money (0-100)	9.22	22.90
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$160
Performance
64 bit support
Base frequency	3.6 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	2.8 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™)