AMD Athlon X4 860K vs AMD Phenom II X4 840

Comparative analysis of AMD Athlon X4 860K and AMD Phenom II X4 840 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, 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 Athlon X4 860K

AMD Phenom II X4 840

Differences

Reasons to consider the AMD Athlon X4 860K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 25% higher clock speed: 4 GHz vs 3.2 GHz
Around 2% higher maximum core temperature: 72.40°C vs 71°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 28 nm vs 45 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 17% better performance in PassMark - Single thread mark: 1526 vs 1299
Around 42% better performance in PassMark - CPU mark: 3434 vs 2425
Around 36% better performance in Geekbench 4 - Single Core: 531 vs 391
Around 20% better performance in Geekbench 4 - Multi-Core: 1593 vs 1325
Around 67% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.868 vs 2.92
Around 35% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 12.03 vs 8.884
Around 38% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.22 vs 0.159
Around 24% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.831 vs 3.91

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	4 GHz vs 3.2 GHz
Maximum core temperature	72.40°C vs 71°C
Manufacturing process technology	28 nm vs 45 nm
L2 cache	4 MB vs 2 MB
Benchmarks
PassMark - Single thread mark	1526 vs 1299
PassMark - CPU mark	3434 vs 2425
Geekbench 4 - Single Core	531 vs 391
Geekbench 4 - Multi-Core	1593 vs 1325
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.868 vs 2.92
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	12.03 vs 8.884
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.22 vs 0.159
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.831 vs 3.91

Reasons to consider the AMD Phenom II X4 840

4x more L1 cache, more data can be stored in the L1 cache for quick access later

L1 cache	512 KB vs 128 KB

Compare benchmarks

CPU 1: AMD Athlon X4 860K
CPU 2: AMD Phenom II X4 840

PassMark - Single thread mark

CPU 1

CPU 2

1526

1299

PassMark - CPU mark

CPU 1

CPU 2

3434

2425

Geekbench 4 - Single Core

CPU 1

CPU 2

531

391

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1593

1325

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

4.868

2.92

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

CPU 1

CPU 2

12.03

8.884

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

CPU 1

CPU 2

0.22

0.159

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.831

3.91

Name	AMD Athlon X4 860K	AMD Phenom II X4 840
PassMark - Single thread mark	1526	1299
PassMark - CPU mark	3434	2425
Geekbench 4 - Single Core	531	391
Geekbench 4 - Multi-Core	1593	1325
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.868	2.92
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	12.03	8.884
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.22	0.159
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.669
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.831	3.91

Compare specifications (specs)

	AMD Athlon X4 860K	AMD Phenom II X4 840
Essentials
Family	AMD Athlon Processors	AMD Phenom
OPN Tray	AD860KXBI44JA	HDX840WFK42GM
Place in performance rating	2833	2861
Series	AMD Athlon X4	AMD Phenom II X4
Vertical segment	Desktop	Desktop
Architecture codename		Propus
Launch date		January 2011
Launch price (MSRP)		$90
OPN PIB		HDX840WFGMBOX
Price now		$89.95
Value for money (0-100)		11.50
Performance
Base frequency	3.7 GHz	3.2 GHz
L1 cache	128 KB	512 KB
L2 cache	4 MB	2 MB
Manufacturing process technology	28 nm	45 nm
Maximum core temperature	72.40°C	71°C
Maximum frequency	4 GHz	3.2 GHz
Number of cores	4	4
Number of threads	4	4
Unlocked
64 bit support
Die size		169 mm
Transistor count		300 million
Memory
Max memory channels	2
Supported memory frequency	2133 MHz
Supported memory types	DDR3	DDR3
Compatibility
Sockets supported	FM2+	AM3
Thermal Design Power (TDP)	95 Watt	95 Watt
Max number of CPUs in a configuration		1
Peripherals
PCI Express revision	3.0
Advanced Technologies
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions