AMD Radeon HD 8670D vs NVIDIA GeForce GT 640

Comparative analysis of AMD Radeon HD 8670D and NVIDIA GeForce GT 640 videocards for all known characteristics in the following categories: Essentials, Technical info, API support, Memory, Video outputs and ports, Compatibility, dimensions and requirements. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), 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), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), 3DMark Fire Strike - Graphics Score.

AMD Radeon HD 8670D

NVIDIA GeForce GT 640

Differences

Reasons to consider the AMD Radeon HD 8670D

Videocard is newer: launch date 0 year(s) 11 month(s) later

Specifications (specs)
Launch date	4 June 2013 vs 5 June 2012
Benchmarks
GFXBench 4.0 - T-Rex (Frames)	3340 vs 3328
GFXBench 4.0 - T-Rex (Fps)	3340 vs 3328

Reasons to consider the NVIDIA GeForce GT 640

Around 7% higher core clock speed: 902 MHz vs 844 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
2.2x better performance in PassMark - G3D Mark: 1178 vs 534
Around 58% better performance in PassMark - G2D Mark: 295 vs 187
Around 80% better performance in Geekbench - OpenCL: 3727 vs 2076
2.3x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2134 vs 920
2.3x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2134 vs 920
Around 20% better performance in GFXBench 4.0 - Manhattan (Frames): 2375 vs 1980
Around 20% better performance in GFXBench 4.0 - Manhattan (Fps): 2375 vs 1980

Specifications (specs)
Core clock speed	902 MHz vs 844 MHz
Manufacturing process technology	28 nm vs 32 nm
Benchmarks
PassMark - G3D Mark	1178 vs 534
PassMark - G2D Mark	295 vs 187
Geekbench - OpenCL	3727 vs 2076
GFXBench 4.0 - Car Chase Offscreen (Frames)	2134 vs 920
GFXBench 4.0 - Car Chase Offscreen (Fps)	2134 vs 920
GFXBench 4.0 - Manhattan (Frames)	2375 vs 1980
GFXBench 4.0 - Manhattan (Fps)	2375 vs 1980

Compare benchmarks

GPU 1: AMD Radeon HD 8670D
GPU 2: NVIDIA GeForce GT 640

PassMark - G3D Mark

GPU 1

GPU 2

534

1178

PassMark - G2D Mark

GPU 1

GPU 2

187

295

Geekbench - OpenCL

GPU 1

GPU 2

2076

3727

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

920

2134

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

920

2134

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1980

2375

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1980

2375

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3340

3328

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3340

3328

Name	AMD Radeon HD 8670D	NVIDIA GeForce GT 640
PassMark - G3D Mark	534	1178
PassMark - G2D Mark	187	295
Geekbench - OpenCL	2076	3727
GFXBench 4.0 - Car Chase Offscreen (Frames)	920	2134
GFXBench 4.0 - Car Chase Offscreen (Fps)	920	2134
GFXBench 4.0 - Manhattan (Frames)	1980	2375
GFXBench 4.0 - Manhattan (Fps)	1980	2375
GFXBench 4.0 - T-Rex (Frames)	3340	3328
GFXBench 4.0 - T-Rex (Fps)	3340	3328
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		11.448
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		206.777
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.792
CompuBench 1.5 Desktop - Video Composition (Frames/s)		14.637
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		20.86
3DMark Fire Strike - Graphics Score		1565

Compare specifications (specs)

	AMD Radeon HD 8670D	NVIDIA GeForce GT 640
Essentials
Architecture	Terascale 3	Kepler
Code name	Richland	GK107
Launch date	4 June 2013	5 June 2012
Place in performance rating	1198	1199
Type	Desktop	Desktop
Launch price (MSRP)		$99
Price now		$59.99
Value for money (0-100)		25.25
Technical info
Core clock speed	844 MHz	902 MHz
Manufacturing process technology	32 nm	28 nm
Pipelines	384	384
Floating-point performance		692.7 gflops
Texture fill rate		28.86 GTexel / s
Thermal Design Power (TDP)		65 Watt
Transistor count		1,270 million
API support
DirectX	11	12.0 (11_0)
OpenGL		4.6
Memory
Shared memory	1
Maximum RAM amount		2 GB
Memory bandwidth		28.51 GB / s
Memory bus width		128 Bit
Memory clock speed		1782 MHz
Memory type		DDR3
Video outputs and ports
Display Connectors		1x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface		PCIe 3.0 x16
Length		145 mm
Supplementary power connectors		None