AMD Athlon X4 845 vs AMD Athlon X2 4450e

Comparative analysis of AMD Athlon X4 845 and AMD Athlon X2 4450e processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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 Athlon X4 845

AMD Athlon X2 4450e

Differences

Reasons to consider the AMD Athlon X4 845

2 more cores, run more applications at once: 4 vs 2
Around 65% higher clock speed: 3.8 GHz vs 2.3 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 65 nm
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 57% better performance in PassMark - Single thread mark: 1678 vs 1066
4.4x better performance in PassMark - CPU mark: 3792 vs 867
6.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.853 vs 0.62
Around 84% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 11.946 vs 6.492

Specifications (specs)
Number of cores	4 vs 2
Maximum frequency	3.8 GHz vs 2.3 GHz
Manufacturing process technology	28 nm vs 65 nm
L2 cache	2 MB vs 512 KB
Benchmarks
PassMark - Single thread mark	1678 vs 1066
PassMark - CPU mark	3792 vs 867
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.853 vs 0.62
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	11.946 vs 6.492

Reasons to consider the AMD Athlon X2 4450e

2x better performance in Geekbench 4 - Single Core: 1045 vs 516
Around 10% better performance in Geekbench 4 - Multi-Core: 1701 vs 1548

Benchmarks
Geekbench 4 - Single Core	1045 vs 516
Geekbench 4 - Multi-Core	1701 vs 1548

Compare benchmarks

CPU 1: AMD Athlon X4 845
CPU 2: AMD Athlon X2 4450e

PassMark - Single thread mark

CPU 1

CPU 2

1678

1066

PassMark - CPU mark

CPU 1

CPU 2

3792

867

Geekbench 4 - Single Core

CPU 1

CPU 2

516

1045

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1548

1701

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.853

0.62

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

CPU 1

CPU 2

11.946

6.492

Name	AMD Athlon X4 845	AMD Athlon X2 4450e
PassMark - Single thread mark	1678	1066
PassMark - CPU mark	3792	867
Geekbench 4 - Single Core	516	1045
Geekbench 4 - Multi-Core	1548	1701
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.853	0.62
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	11.946	6.492
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.244
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.237

Compare specifications (specs)

	AMD Athlon X4 845	AMD Athlon X2 4450e
Essentials
Family	AMD Athlon Processors
OPN PIB	AD845XACKASBX
Place in performance rating	2615	2625
Series	AMD Athlon X4
Vertical segment	Desktop	Desktop
Architecture codename		Brisbane
Launch date		April 2008
Performance
Base frequency	3.5 GHz
L2 cache	2 MB	512 KB
Manufacturing process technology	28 nm	65 nm
Maximum core temperature	71.30°C
Maximum frequency	3.8 GHz	2.3 GHz
Number of cores	4	2
Number of threads	4
Unlocked
64 bit support
Die size		126 mm
L1 cache		256 KB
Transistor count		154 million
Memory
Max memory channels	2
Supported memory frequency	2133 MHz
Supported memory types	DDR3
Compatibility
Sockets supported	FM2+	AM2
Thermal Solution	Near Silent 95W
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		45 Watt
Peripherals
PCI Express revision	3.0
Advanced Technologies
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions