AMD Phenom II X4 840T vs AMD Phenom II X4 970 BE

Comparative analysis of AMD Phenom II X4 840T and AMD Phenom II X4 970 BE 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD Phenom II X4 840T

AMD Phenom II X4 970 BE

Differences

Reasons to consider the AMD Phenom II X4 840T

Around 32% lower typical power consumption: 95 Watt vs 125 Watt
2.2x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.606 vs 1.62

Specifications (specs)
Thermal Design Power (TDP)	95 Watt vs 125 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.606 vs 1.62

Reasons to consider the AMD Phenom II X4 970 BE

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 21% higher clock speed: 3.5 GHz vs 2.9 GHz
Around 12% better performance in PassMark - Single thread mark: 1417 vs 1264
Around 18% better performance in PassMark - CPU mark: 2739 vs 2330
Around 28% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 12.098 vs 9.486
Around 10% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.204 vs 0.186

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	3.5 GHz vs 2.9 GHz
Benchmarks
PassMark - Single thread mark	1417 vs 1264
PassMark - CPU mark	2739 vs 2330
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	12.098 vs 9.486
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.204 vs 0.186

Compare benchmarks

CPU 1: AMD Phenom II X4 840T
CPU 2: AMD Phenom II X4 970 BE

PassMark - Single thread mark

CPU 1

CPU 2

1264

1417

PassMark - CPU mark

CPU 1

CPU 2

2330

2739

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

3.606

1.62

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

9.486

12.098

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.186

0.204

Name	AMD Phenom II X4 840T	AMD Phenom II X4 970 BE
PassMark - Single thread mark	1264	1417
PassMark - CPU mark	2330	2739
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.606	1.62
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.486	12.098
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.186	0.204
Geekbench 4 - Single Core		437
Geekbench 4 - Multi-Core		1485

Compare specifications (specs)

	AMD Phenom II X4 840T	AMD Phenom II X4 970 BE
Essentials
Architecture codename	Zosma	Deneb
Launch date	September 2010	September 2010
Launch price (MSRP)	$80
Place in performance rating	2713	2714
Price now	$69.99
Value for money (0-100)	15.15
Vertical segment	Desktop	Desktop
Performance
64 bit support
Die size	346 mm	258 mm
L1 cache	128 KB (per core)	128 KB (per core)
L2 cache	512 KB (per core)	512 KB (per core)
L3 cache	6144 KB (shared)	6144 KB (shared)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	2.9 GHz	3.5 GHz
Number of cores	4	4
Transistor count	904 million	758 million
Unlocked
Memory
Supported memory types	DDR3	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	AM3
Thermal Design Power (TDP)	95 Watt	125 Watt
Virtualization
AMD Virtualization (AMD-V™)