AMD Phenom X4 B99 vs AMD Phenom II X6 1065T

Comparative analysis of AMD Phenom X4 B99 and AMD Phenom II X6 1065T processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Phenom X4 B99

AMD Phenom II X6 1065T

Differences

Reasons to consider the AMD Phenom X4 B99

Around 32% lower typical power consumption: 95 Watt vs 125 Watt
Around 1% better performance in PassMark - Single thread mark: 1377 vs 1362

Specifications (specs)
Thermal Design Power (TDP)	95 Watt vs 125 Watt
Benchmarks
PassMark - Single thread mark	1377 vs 1362

Reasons to consider the AMD Phenom II X6 1065T

2 more cores, run more applications at once: 6 vs 4
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 34% better performance in PassMark - CPU mark: 3391 vs 2536

Specifications (specs)
Number of cores	6 vs 4
L2 cache	512 KB (per core) vs 2 MB
Benchmarks
PassMark - CPU mark	3391 vs 2536

Compare benchmarks

CPU 1: AMD Phenom X4 B99
CPU 2: AMD Phenom II X6 1065T

PassMark - Single thread mark

CPU 1

CPU 2

1377

1362

PassMark - CPU mark

CPU 1

CPU 2

2536

3391

Name	AMD Phenom X4 B99	AMD Phenom II X6 1065T
PassMark - Single thread mark	1377	1362
PassMark - CPU mark	2536	3391

Compare specifications (specs)

	AMD Phenom X4 B99	AMD Phenom II X6 1065T
Essentials
Family	AMD Phenom
OPN Tray	HDXB99WFK4DGM
Place in performance rating	1833	1817
Series	AMD Business Class - AMD Phenom X4 Quad-Core
Vertical segment	Desktop	Desktop
Architecture codename		Thuban
Launch date		December 2010
Performance
Base frequency	3.3 GHz
L2 cache	2 MB	512 KB (per core)
Number of cores	4	6
Number of threads	4
Unlocked
64 bit support
Die size		346 mm
L1 cache		128 KB (per core)
L3 cache		6144 KB (shared)
Manufacturing process technology		45 nm
Maximum frequency		2.9 GHz
Transistor count		904 million
Compatibility
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	95 Watt	125 Watt
Max number of CPUs in a configuration		1
Memory
Supported memory types		DDR3