AMD Radeon HD 7540D IGP vs NVIDIA GeForce GT 640 OEM

Comparative analysis of AMD Radeon HD 7540D IGP and NVIDIA GeForce GT 640 OEM 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: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps).

AMD Radeon HD 7540D IGP

NVIDIA GeForce GT 640 OEM

Differences

Reasons to consider the AMD Radeon HD 7540D IGP

Videocard is newer: launch date 5 month(s) later

Launch date	2 October 2012 vs 24 April 2012

Reasons to consider the NVIDIA GeForce GT 640 OEM

Around 5% higher core clock speed: 797 MHz vs 760 MHz
2.8x more texture fill rate: 25.5 GTexel / s vs 9.12 GTexel / s
2x more pipelines: 384 vs 192
2.1x better floating-point performance: 612.1 gflops vs 291.8 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
Around 30% lower typical power consumption: 50 Watt vs 65 Watt
Around 88% better performance in GFXBench 4.0 - Manhattan (Frames): 2167 vs 1153
Around 88% better performance in GFXBench 4.0 - Manhattan (Fps): 2167 vs 1153
Around 53% better performance in GFXBench 4.0 - T-Rex (Frames): 3334 vs 2177
Around 53% better performance in GFXBench 4.0 - T-Rex (Fps): 3334 vs 2177

Specifications (specs)
Core clock speed	797 MHz vs 760 MHz
Texture fill rate	25.5 GTexel / s vs 9.12 GTexel / s
Pipelines	384 vs 192
Floating-point performance	612.1 gflops vs 291.8 gflops
Manufacturing process technology	28 nm vs 32 nm
Thermal Design Power (TDP)	50 Watt vs 65 Watt
Benchmarks
GFXBench 4.0 - Manhattan (Frames)	2167 vs 1153
GFXBench 4.0 - Manhattan (Fps)	2167 vs 1153
GFXBench 4.0 - T-Rex (Frames)	3334 vs 2177
GFXBench 4.0 - T-Rex (Fps)	3334 vs 2177

Compare benchmarks

GPU 1: AMD Radeon HD 7540D IGP
GPU 2: NVIDIA GeForce GT 640 OEM

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1153

2167

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1153

2167

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

2177

3334

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

2177

3334

Name	AMD Radeon HD 7540D IGP	NVIDIA GeForce GT 640 OEM
PassMark - G3D Mark	332
PassMark - G2D Mark	129
Geekbench - OpenCL	1071
GFXBench 4.0 - Manhattan (Frames)	1153	2167
GFXBench 4.0 - Manhattan (Fps)	1153	2167
GFXBench 4.0 - T-Rex (Frames)	2177	3334
GFXBench 4.0 - T-Rex (Fps)	2177	3334
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		9.932
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		254.345
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.14
CompuBench 1.5 Desktop - Video Composition (Frames/s)		13.613
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		15.32
GFXBench 4.0 - Car Chase Offscreen (Frames)		1502
GFXBench 4.0 - Car Chase Offscreen (Fps)		1502

Compare specifications (specs)

	AMD Radeon HD 7540D IGP	NVIDIA GeForce GT 640 OEM
Essentials
Architecture	TeraScale 3	Kepler
Code name	Scrapper	GK107
Launch date	2 October 2012	24 April 2012
Launch price (MSRP)	$67
Place in performance rating	1385	1386
Type	Desktop	Desktop
Technical info
Core clock speed	760 MHz	797 MHz
Floating-point performance	291.8 gflops	612.1 gflops
Manufacturing process technology	32 nm	28 nm
Pipelines	192	384
Texture fill rate	9.12 GTexel / s	25.5 GTexel / s
Thermal Design Power (TDP)	65 Watt	50 Watt
Transistor count	1,303 million	1,270 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x HDMI, 1x DisplayPort
Compatibility, dimensions and requirements
Interface	IGP	PCIe 3.0 x16
Length		145 mm
Supplementary power connectors		None
API support
DirectX	11.2 (11_0)	12.0 (11_0)
OpenGL	4.4	4.6
Memory
Memory type	System Shared	DDR3
Maximum RAM amount		2 GB
Memory bandwidth		28.51 GB / s
Memory bus width		128 Bit
Memory clock speed		1782 MHz