AMD Opteron X2 875 vs AMD Athlon 64 X2 3800+

Comparative analysis of AMD Opteron X2 875 and AMD Athlon 64 X2 3800+ processors for all known characteristics in the following categories: Essentials, Performance, Compatibility. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Opteron X2 875

AMD Athlon 64 X2 3800+

Differences

Reasons to consider the AMD Opteron X2 875

CPU is newer: launch date 1 month(s) later
Around 10% higher clock speed: 2.2 GHz vs 2 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	September 2005 vs August 2005
Maximum frequency	2.2 GHz vs 2 GHz
L2 cache	1024 KB vs 512 KB
Max number of CPUs in a configuration	8 vs 1

Reasons to consider the AMD Athlon 64 X2 3800+

Around 7% lower typical power consumption: 89 Watt vs 95 Watt

Thermal Design Power (TDP)	89 Watt vs 95 Watt

Compare benchmarks

CPU 1: AMD Opteron X2 875
CPU 2: AMD Athlon 64 X2 3800+

Name	AMD Opteron X2 875	AMD Athlon 64 X2 3800+
PassMark - Single thread mark		646
PassMark - CPU mark		958
Geekbench 4 - Single Core		211
Geekbench 4 - Multi-Core		373

Compare specifications (specs)

	AMD Opteron X2 875	AMD Athlon 64 X2 3800+
Essentials
Architecture codename	Egypt	Manchester
Launch date	September 2005	August 2005
Place in performance rating	not rated	3082
Vertical segment	Server	Desktop
Performance
64 bit support
L1 cache	128 KB	128 KB
L2 cache	1024 KB	512 KB
Manufacturing process technology	90 nm	90 nm
Maximum frequency	2.2 GHz	2 GHz
Number of cores	2	2
Transistor count	233 million	154 million
Die size		156 mm
Compatibility
Max number of CPUs in a configuration	8	1
Sockets supported	940	939
Thermal Design Power (TDP)	95 Watt	89 Watt