AMD Radeon HD 8400 IGP vs NVIDIA GeForce GT 640M

Comparative analysis of AMD Radeon HD 8400 IGP and NVIDIA GeForce GT 640M videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

AMD Radeon HD 8400 IGP

NVIDIA GeForce GT 640M

Differences

Reasons to consider the AMD Radeon HD 8400 IGP

Videocard is newer: launch date 1 year(s) 8 month(s) later
Around 28% lower typical power consumption: 25 Watt vs 32 Watt
2.3x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 18.197 vs 7.861
4.8x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 1322.192 vs 275.972
2.4x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.774 vs 0.727
3.1x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 47.241 vs 15.445
12.9x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 224.569 vs 17.381

Specifications (specs)
Launch date	23 November 2013 vs 22 March 2012
Thermal Design Power (TDP)	25 Watt vs 32 Watt
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	18.197 vs 7.861
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1322.192 vs 275.972
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.774 vs 0.727
CompuBench 1.5 Desktop - Video Composition (Frames/s)	47.241 vs 15.445
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	224.569 vs 17.381

Reasons to consider the NVIDIA GeForce GT 640M

3x more pipelines: 384 vs 128
4.7x better floating-point performance: 480.0 gflops vs 102.4 gflops
3.5x better performance in PassMark - G3D Mark: 919 vs 261
2.5x better performance in PassMark - G2D Mark: 195 vs 78
2.7x better performance in Geekbench - OpenCL: 3190 vs 1202
2.1x better performance in GFXBench 4.0 - Manhattan (Frames): 1963 vs 930
Around 58% better performance in GFXBench 4.0 - T-Rex (Frames): 2580 vs 1631
2.1x better performance in GFXBench 4.0 - Manhattan (Fps): 1963 vs 930
Around 58% better performance in GFXBench 4.0 - T-Rex (Fps): 2580 vs 1631

Specifications (specs)
Pipelines	384 vs 128
Floating-point performance	480.0 gflops vs 102.4 gflops
Benchmarks
PassMark - G3D Mark	919 vs 261
PassMark - G2D Mark	195 vs 78
Geekbench - OpenCL	3190 vs 1202
GFXBench 4.0 - Manhattan (Frames)	1963 vs 930
GFXBench 4.0 - T-Rex (Frames)	2580 vs 1631
GFXBench 4.0 - Manhattan (Fps)	1963 vs 930
GFXBench 4.0 - T-Rex (Fps)	2580 vs 1631

Compare benchmarks

GPU 1: AMD Radeon HD 8400 IGP
GPU 2: NVIDIA GeForce GT 640M

PassMark - G3D Mark

GPU 1

GPU 2

261

919

PassMark - G2D Mark

GPU 1

GPU 2

195

Geekbench - OpenCL

GPU 1

GPU 2

1202

3190

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

18.197

7.861

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

GPU 1

GPU 2

1322.192

275.972

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

GPU 1

GPU 2

1.774

0.727

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

47.241

15.445

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

GPU 1

GPU 2

224.569

17.381

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

930

1963

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

1631

2580

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

930

1963

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

1631

2580

Name	AMD Radeon HD 8400 IGP	NVIDIA GeForce GT 640M
PassMark - G3D Mark	261	919
PassMark - G2D Mark	78	195
Geekbench - OpenCL	1202	3190
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	18.197	7.861
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	1322.192	275.972
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.774	0.727
CompuBench 1.5 Desktop - Video Composition (Frames/s)	47.241	15.445
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	224.569	17.381
GFXBench 4.0 - Manhattan (Frames)	930	1963
GFXBench 4.0 - T-Rex (Frames)	1631	2580
GFXBench 4.0 - Manhattan (Fps)	930	1963
GFXBench 4.0 - T-Rex (Fps)	1631	2580
GFXBench 4.0 - Car Chase Offscreen (Frames)		1476
GFXBench 4.0 - Car Chase Offscreen (Fps)		1476

Compare specifications (specs)

	AMD Radeon HD 8400 IGP	NVIDIA GeForce GT 640M
Essentials
Architecture	GCN 2.0	Kepler
Code name	Kalindi	GK107
Launch date	23 November 2013	22 March 2012
Place in performance rating	1350	1341
Type	Desktop	Laptop
Technical info
Core clock speed	400 MHz
Floating-point performance	102.4 gflops	480.0 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	128	384
Texture fill rate	3.2 GTexel / s
Thermal Design Power (TDP)	25 Watt	32 Watt
Transistor count	1,178 million	1,270 million
Boost clock speed		645 MHz
CUDA cores		384
Video outputs and ports
Display Connectors	No outputs	No outputs
HDCP
HDMI
Maximum VGA resolution		Up to 2048x1536
Compatibility, dimensions and requirements
Interface	IGP	PCIe 3.0 x16
Bus support		PCI Express 2.0, PCI Express 3.0
Laptop size		medium sized
API support
DirectX	12.0 (12_0)	12 API
OpenGL	4.5	4.5
OpenCL		1.1
Memory
Memory type	System Shared	DDR3\GDDR5
Maximum RAM amount		2 GB
Memory bus width		128bit
Memory clock speed		1800 MHz
Shared memory		0
Technologies
3D Blu-Ray
3D Vision
CUDA
DirectCompute
DirectX 11		DirectX 11
Optimus