AMD Radeon R3 Graphics vs NVIDIA GeForce GT 640 OEM Rebrand

Comparative analysis of AMD Radeon R3 Graphics and NVIDIA GeForce GT 640 OEM Rebrand 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, 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), 3DMark Fire Strike - Graphics Score.

AMD Radeon R3 Graphics

NVIDIA GeForce GT 640 OEM Rebrand

Differences

Reasons to consider the AMD Radeon R3 Graphics

Videocard is newer: launch date 2 year(s) 9 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
5x lower typical power consumption: 15 Watt vs 75 Watt

Launch date	28 January 2015 vs 24 April 2012
Manufacturing process technology	28 nm vs 40 nm
Thermal Design Power (TDP)	15 Watt vs 75 Watt

Reasons to consider the NVIDIA GeForce GT 640 OEM Rebrand

2.7x more core clock speed: 720 MHz vs 267 MHz
3.6x more texture fill rate: 17.28 GTexel / s vs 4.8 GTexel / s
Around 13% higher pipelines: 144 vs 128
2.7x better floating-point performance: 414.7 gflops vs 153.6 gflops

Core clock speed	720 MHz vs 267 MHz
Texture fill rate	17.28 GTexel / s vs 4.8 GTexel / s
Pipelines	144 vs 128
Floating-point performance	414.7 gflops vs 153.6 gflops

Compare benchmarks

GPU 1: AMD Radeon R3 Graphics
GPU 2: NVIDIA GeForce GT 640 OEM Rebrand

Name	AMD Radeon R3 Graphics	NVIDIA GeForce GT 640 OEM Rebrand
PassMark - G3D Mark	308
PassMark - G2D Mark	94
Geekbench - OpenCL	1482
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.343
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	106.771
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.35
CompuBench 1.5 Desktop - Video Composition (Frames/s)	8.234
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	21.88
GFXBench 4.0 - Car Chase Offscreen (Frames)	587
GFXBench 4.0 - Manhattan (Frames)	750
GFXBench 4.0 - T-Rex (Frames)	1745
GFXBench 4.0 - Car Chase Offscreen (Fps)	587
GFXBench 4.0 - Manhattan (Fps)	750
GFXBench 4.0 - T-Rex (Fps)	1745
3DMark Fire Strike - Graphics Score		410

Compare specifications (specs)

	AMD Radeon R3 Graphics	NVIDIA GeForce GT 640 OEM Rebrand
Essentials
Architecture	GCN 2.0	Fermi 2.0
Code name	Beema	GF116
Launch date	28 January 2015	24 April 2012
Place in performance rating	1604	1606
Type	Desktop	Desktop
Technical info
Boost clock speed	600 MHz
Core clock speed	267 MHz	720 MHz
Floating-point performance	153.6 gflops	414.7 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	128	144
Texture fill rate	4.8 GTexel / s	17.28 GTexel / s
Thermal Design Power (TDP)	15 Watt	75 Watt
Transistor count	930 million	1,170 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x mini-HDMI
Compatibility, dimensions and requirements
Interface	IGP	PCIe 2.0 x16
Length		145 mm
Supplementary power connectors		None
API support
DirectX	12.0 (12_0)	12.0 (11_0)
OpenGL	4.5	4.6
Memory
Memory type	System Shared	DDR3
Maximum RAM amount		1536 MB
Memory bandwidth		38.4 GB / s
Memory bus width		192 Bit
Memory clock speed		1600 MHz