AMD Athlon II X4 638 vs AMD Phenom II X4 910e

Comparative analysis of AMD Athlon II X4 638 and AMD Phenom II X4 910e processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Athlon II X4 638

AMD Phenom II X4 910e

Differences

Reasons to consider the AMD Athlon II X4 638

CPU is newer: launch date 2 year(s) 0 month(s) later
Around 4% higher clock speed: 2.7 GHz vs 2.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 7% better performance in PassMark - Single thread mark: 1163 vs 1082
Around 6% better performance in PassMark - CPU mark: 2250 vs 2131

Specifications (specs)
Launch date	February 2012 vs January 2010
Maximum frequency	2.7 GHz vs 2.6 GHz
Manufacturing process technology	32 nm vs 45 nm
L2 cache	4 MB vs 512 KB (per core)
Benchmarks
PassMark - Single thread mark	1163 vs 1082
PassMark - CPU mark	2250 vs 2131

Reasons to consider the AMD Phenom II X4 910e

Around 4% better performance in Geekbench 4 - Single Core: 1715 vs 1654
Around 8% better performance in Geekbench 4 - Multi-Core: 5037 vs 4651

Benchmarks
Geekbench 4 - Single Core	1715 vs 1654
Geekbench 4 - Multi-Core	5037 vs 4651

Compare benchmarks

CPU 1: AMD Athlon II X4 638
CPU 2: AMD Phenom II X4 910e

PassMark - Single thread mark

CPU 1

CPU 2

1163

1082

PassMark - CPU mark

CPU 1

CPU 2

2250

2131

Geekbench 4 - Single Core

CPU 1

CPU 2

1654

1715

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4651

5037

Name	AMD Athlon II X4 638	AMD Phenom II X4 910e
PassMark - Single thread mark	1163	1082
PassMark - CPU mark	2250	2131
Geekbench 4 - Single Core	1654	1715
Geekbench 4 - Multi-Core	4651	5037

Compare specifications (specs)

	AMD Athlon II X4 638	AMD Phenom II X4 910e
Essentials
Architecture codename	Llano	Deneb
Family	AMD Athlon Processors
Launch date	February 2012	January 2010
OPN PIB	AD638XOJGXBOX
OPN Tray	AD638XOJZ43GX
Place in performance rating	1543	1534
Price now	$26.49	$156.99
Series	AMD Athlon II X4
Value for money (0-100)	35.55	6.12
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$157
Performance
64 bit support
Base frequency	2.7 GHz
Die size	228 mm	258 mm
L1 cache	512 KB	128 KB (per core)
L2 cache	4 MB	512 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	70.10°C
Maximum frequency	2.7 GHz	2.6 GHz
Number of cores	4	4
Number of threads	4
Transistor count	1178 million	758 million
Unlocked
L3 cache		6144 KB (shared)
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FM1 uPGA	AM3
Thermal Design Power (TDP)	65 Watt	65 Watt
Virtualization
AMD Virtualization (AMD-V™)