AMD Opteron 6281 vs AMD Opteron 4280

Comparative analysis of AMD Opteron 6281 and AMD Opteron 4280 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 4280

Differences

Reasons to consider the AMD Opteron 6281

8 more cores, run more applications at once: 16 vs 8
8 more threads: 16 vs 8
Around 45% higher clock speed: 3.2 GHz vs 2.2 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 62% better performance in PassMark - CPU mark: 7279 vs 4504

Specifications (specs)
Number of cores	16 vs 8
Number of threads	16 vs 8
Maximum frequency	3.2 GHz vs 2.2 GHz
L1 cache	768 KB vs 384 KB
L2 cache	16 MB vs 8 MB
Benchmarks
PassMark - CPU mark	7279 vs 4504

Reasons to consider the AMD Opteron 4280

Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 1% better performance in PassMark - Single thread mark: 1141 vs 1129

Specifications (specs)
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1141 vs 1129

Compare benchmarks

CPU 1: AMD Opteron 6281
CPU 2: AMD Opteron 4280

PassMark - Single thread mark

CPU 1

CPU 2

1129

1141

PassMark - CPU mark

CPU 1

CPU 2

7279

4504

Name	AMD Opteron 6281	AMD Opteron 4280
PassMark - Single thread mark	1129	1141
PassMark - CPU mark	7279	4504

Compare specifications (specs)

	AMD Opteron 6281	AMD Opteron 4280
Essentials
Architecture codename	Bulldozer
Family	AMD Opteron	AMD Opteron
OPN Tray	OS6281YJTGGGU	OS4280WLU8KGU
Place in performance rating	1962	2032
Series	AMD Opteron 6200 Series Processor	AMD Opteron 4200 Series Processor
Value for money (0-100)	33.18
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.5 GHz	2.8 GHz
L1 cache	768 KB	384 KB
L2 cache	16 MB	8 MB
L3 cache	8 MB	8 MB
Manufacturing process technology	32 nm	32 nm
Maximum frequency	3.2 GHz	2.2 GHz
Number of cores	16	8
Number of threads	16	8
Unlocked
Maximum core temperature		70.50°C
Memory
Max memory channels	2
Supported memory frequency	2000 MHz	2200 MHz
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	4
Sockets supported	G34	C32
Thermal Design Power (TDP)	130 Watt	95 Watt
Advanced Technologies
Fused Multiply-Add (FMA)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)