AMD Opteron 6281 vs AMD Opteron 6238

Comparative analysis of AMD Opteron 6281 and AMD Opteron 6238 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Opteron 6281

AMD Opteron 6238

Differences

Reasons to consider the AMD Opteron 6281

4 more cores, run more applications at once: 16 vs 12
4 more threads: 16 vs 12
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 5% better performance in PassMark - Single thread mark: 1129 vs 1076

Specifications (specs)
Number of cores	16 vs 12
Number of threads	16 vs 12
L1 cache	768 KB vs 576 KB
L2 cache	16 MB vs 12 MB
Benchmarks
PassMark - Single thread mark	1129 vs 1076

Reasons to consider the AMD Opteron 6238

2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 13% lower typical power consumption: 115 Watt vs 130 Watt
Around 13% better performance in PassMark - CPU mark: 8206 vs 7279

Specifications (specs)
L3 cache	16 MB vs 8 MB
Thermal Design Power (TDP)	115 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark	8206 vs 7279

Compare benchmarks

CPU 1: AMD Opteron 6281
CPU 2: AMD Opteron 6238

PassMark - Single thread mark

CPU 1

CPU 2

1129

1076

PassMark - CPU mark

CPU 1

CPU 2

7279

8206

Name	AMD Opteron 6281	AMD Opteron 6238
PassMark - Single thread mark	1129	1076
PassMark - CPU mark	7279	8206

Compare specifications (specs)

	AMD Opteron 6281	AMD Opteron 6238
Essentials
Architecture codename	Bulldozer
Family	AMD Opteron	AMD Opteron
OPN Tray	OS6281YJTGGGU	OS6238WKTCGGU
Place in performance rating	1962	2000
Series	AMD Opteron 6200 Series Processor	AMD Opteron 6200 Series Processor
Value for money (0-100)	33.18
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.5 GHz	2.6 GHz
L1 cache	768 KB	576 KB
L2 cache	16 MB	12 MB
L3 cache	8 MB	16 MB
Manufacturing process technology	32 nm	32 nm
Maximum frequency	3.2 GHz	3.2 GHz
Number of cores	16	12
Number of threads	16	12
Unlocked
Maximum core temperature		70.40°C
Memory
Max memory channels	2
Supported memory frequency	2000 MHz	2000 MHz
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	4
Sockets supported	G34	G34
Thermal Design Power (TDP)	130 Watt	115 Watt
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)