NVIDIA GeForce GT 640 OEM vs AMD Radeon HD 6630M

Comparative analysis of NVIDIA GeForce GT 640 OEM and AMD Radeon HD 6630M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL.

NVIDIA GeForce GT 640 OEM

AMD Radeon HD 6630M

Differences

Reasons to consider the NVIDIA GeForce GT 640 OEM

Videocard is newer: launch date 1 year(s) 3 month(s) later
Around 59% higher core clock speed: 797 MHz vs 500 MHz
2.1x more texture fill rate: 25.5 GTexel / s vs 12 GTexel / s
Around 28% better floating-point performance: 612.1 gflops vs 480.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
2x more maximum memory size: 2 GB vs 1 GB
Around 11% higher memory clock speed: 1782 MHz vs 1600 MHz
3.5x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 9.932 vs 2.847
Around 78% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 254.345 vs 142.549
Around 43% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 13.613 vs 9.527
3.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1502 vs 424
2.1x better performance in GFXBench 4.0 - Manhattan (Frames): 2167 vs 1055
Around 41% better performance in GFXBench 4.0 - T-Rex (Frames): 3334 vs 2368
3.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1502 vs 424
2.1x better performance in GFXBench 4.0 - Manhattan (Fps): 2167 vs 1055
Around 41% better performance in GFXBench 4.0 - T-Rex (Fps): 3334 vs 2368

Specifications (specs)
Launch date	24 April 2012 vs 4 January 2011
Core clock speed	797 MHz vs 500 MHz
Texture fill rate	25.5 GTexel / s vs 12 GTexel / s
Floating-point performance	612.1 gflops vs 480.0 gflops
Manufacturing process technology	28 nm vs 40 nm
Maximum memory size	2 GB vs 1 GB
Memory clock speed	1782 MHz vs 1600 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.932 vs 2.847
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	254.345 vs 142.549
CompuBench 1.5 Desktop - Video Composition (Frames/s)	13.613 vs 9.527
GFXBench 4.0 - Car Chase Offscreen (Frames)	1502 vs 424
GFXBench 4.0 - Manhattan (Frames)	2167 vs 1055
GFXBench 4.0 - T-Rex (Frames)	3334 vs 2368
GFXBench 4.0 - Car Chase Offscreen (Fps)	1502 vs 424
GFXBench 4.0 - Manhattan (Fps)	2167 vs 1055
GFXBench 4.0 - T-Rex (Fps)	3334 vs 2368

Reasons to consider the AMD Radeon HD 6630M

Around 25% higher pipelines: 480 vs 384
Around 92% lower typical power consumption: 26 Watt vs 50 Watt
2.8x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 42.818 vs 15.32

Specifications (specs)
Pipelines	480 vs 384
Thermal Design Power (TDP)	26 Watt vs 50 Watt
Benchmarks
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	42.818 vs 15.32

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640 OEM
GPU 2: AMD Radeon HD 6630M

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

9.932

2.847

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

GPU 1

GPU 2

254.345

142.549

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

13.613

9.527

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

15.32

42.818

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

1502

424

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

2167

1055

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3334

2368

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

1502

424

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

2167

1055

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3334

2368

Name	NVIDIA GeForce GT 640 OEM	AMD Radeon HD 6630M
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	9.932	2.847
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	254.345	142.549
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.14	0
CompuBench 1.5 Desktop - Video Composition (Frames/s)	13.613	9.527
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	15.32	42.818
GFXBench 4.0 - Car Chase Offscreen (Frames)	1502	424
GFXBench 4.0 - Manhattan (Frames)	2167	1055
GFXBench 4.0 - T-Rex (Frames)	3334	2368
GFXBench 4.0 - Car Chase Offscreen (Fps)	1502	424
GFXBench 4.0 - Manhattan (Fps)	2167	1055
GFXBench 4.0 - T-Rex (Fps)	3334	2368
PassMark - G3D Mark		685
PassMark - G2D Mark		390
Geekbench - OpenCL		984

Compare specifications (specs)

	NVIDIA GeForce GT 640 OEM	AMD Radeon HD 6630M
Essentials
Architecture	Kepler	TeraScale 2
Code name	GK107	Whistler
Launch date	24 April 2012	4 January 2011
Place in performance rating	1368	1370
Type	Desktop	Laptop
Technical info
Core clock speed	797 MHz	500 MHz
Floating-point performance	612.1 gflops	480.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	384	480
Texture fill rate	25.5 GTexel / s	12 GTexel / s
Thermal Design Power (TDP)	50 Watt	26 Watt
Transistor count	1,270 million	716 million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Length	145 mm
Supplementary power connectors	None
Laptop size		medium sized
API support
DirectX	12.0 (11_0)	11.2 (11_0)
OpenGL	4.6	4.4
Memory
Maximum RAM amount	2 GB	1 GB
Memory bandwidth	28.51 GB / s	25.6 GB / s
Memory bus width	128 Bit	128 Bit
Memory clock speed	1782 MHz	1600 MHz
Memory type	DDR3	DDR3
Shared memory		0