AMD FX-4300 vs AMD Athlon II X4 635

Comparative analysis of AMD FX-4300 and AMD Athlon II X4 635 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 - Bitcoin Mining (mHash/s).

AMD FX-4300

AMD Athlon II X4 635

Differences

Reasons to consider the AMD FX-4300

CPU is newer: launch date 2 year(s) 8 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 38% higher clock speed: 4 GHz vs 2.9 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 27% better performance in PassMark - Single thread mark: 1481 vs 1168
Around 33% better performance in PassMark - CPU mark: 2986 vs 2237
Around 44% better performance in Geekbench 4 - Single Core: 513 vs 357
Around 24% better performance in Geekbench 4 - Multi-Core: 1397 vs 1130
Around 68% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.824 vs 2.875
Around 2% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.216 vs 0.211

Specifications (specs)
Launch date	October 2012 vs January 2010
Unlocked	Unlocked vs Locked
Maximum frequency	4 GHz vs 2.9 GHz
Manufacturing process technology	32 nm SOI vs 45 nm
L2 cache	4 MB vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1481 vs 1168
PassMark - CPU mark	2986 vs 2237
Geekbench 4 - Single Core	513 vs 357
Geekbench 4 - Multi-Core	1397 vs 1130
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.824 vs 2.875
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.216 vs 0.211

Reasons to consider the AMD Athlon II X4 635

2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
Around 33% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 13.354 vs 10.042

Specifications (specs)
L1 cache	128 KB (per core) vs 192 KB
Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	13.354 vs 10.042

Compare benchmarks

CPU 1: AMD FX-4300
CPU 2: AMD Athlon II X4 635

PassMark - Single thread mark

CPU 1

CPU 2

1481

1168

PassMark - CPU mark

CPU 1

CPU 2

2986

2237

Geekbench 4 - Single Core

CPU 1

CPU 2

513

357

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1397

1130

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

4.824

2.875

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

CPU 1

CPU 2

10.042

13.354

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

CPU 1

CPU 2

0.216

0.211

Name	AMD FX-4300	AMD Athlon II X4 635
PassMark - Single thread mark	1481	1168
PassMark - CPU mark	2986	2237
Geekbench 4 - Single Core	513	357
Geekbench 4 - Multi-Core	1397	1130
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.824	2.875
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.042	13.354
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.216	0.211
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	3.548

Compare specifications (specs)

	AMD FX-4300	AMD Athlon II X4 635
Essentials
Architecture codename	Vishera	Propus
Family	AMD FX-Series Processors
Launch date	October 2012	January 2010
OPN PIB	FD4300WMHKBOX
OPN Tray	FD4300WMW4MHK
Place in performance rating	2813	2823
Price now	$53.39	$69.95
Series	AMD FX 4-Core Black Edition Processors
Value for money (0-100)	25.84	13.66
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$70
Performance
64 bit support
Base frequency	3.8 GHz
Die size	315 mm	169 mm
L1 cache	192 KB	128 KB (per core)
L2 cache	4 MB	512 KB (per core)
L3 cache	4 MB
Manufacturing process technology	32 nm SOI	45 nm
Maximum core temperature	70.50°C
Maximum frequency	4 GHz	2.9 GHz
Number of cores	4	4
Number of threads	4
P0 Vcore voltage	Min: 1.225 V - Max: 1.3875 V
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
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™)