NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon HD 8650G

Comparative analysis of NVIDIA GeForce GT 640 Rev. 2 and AMD Radeon HD 8650G 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), Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark.

 

Differences

Reasons to consider the NVIDIA GeForce GT 640 Rev. 2

  • Around 96% higher core clock speed: 1046 MHz vs 533 MHz
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 32 nm
  • 3.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 2309 vs 736
  • Around 63% better performance in GFXBench 4.0 - Manhattan (Frames): 3354 vs 2062
  • 3.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 2309 vs 736
  • Around 63% better performance in GFXBench 4.0 - Manhattan (Fps): 3354 vs 2062
Specifications (specs)
Core clock speed 1046 MHz vs 533 MHz
Manufacturing process technology 28 nm vs 32 nm
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames) 2309 vs 736
GFXBench 4.0 - Manhattan (Frames) 3354 vs 2062
GFXBench 4.0 - Car Chase Offscreen (Fps) 2309 vs 736
GFXBench 4.0 - Manhattan (Fps) 3354 vs 2062

Reasons to consider the AMD Radeon HD 8650G

  • Around 4% better performance in GFXBench 4.0 - T-Rex (Frames): 3353 vs 3220
  • Around 4% better performance in GFXBench 4.0 - T-Rex (Fps): 3353 vs 3220
Benchmarks
GFXBench 4.0 - T-Rex (Frames) 3353 vs 3220
GFXBench 4.0 - T-Rex (Fps) 3353 vs 3220

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640 Rev. 2
GPU 2: AMD Radeon HD 8650G

GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
2309
736
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
3354
2062
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
3220
3353
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
2309
736
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
3354
2062
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
3220
3353
Name NVIDIA GeForce GT 640 Rev. 2 AMD Radeon HD 8650G
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 10.475
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 173.537
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.032
CompuBench 1.5 Desktop - Video Composition (Frames/s) 8.717
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 10.454
GFXBench 4.0 - Car Chase Offscreen (Frames) 2309 736
GFXBench 4.0 - Manhattan (Frames) 3354 2062
GFXBench 4.0 - T-Rex (Frames) 3220 3353
GFXBench 4.0 - Car Chase Offscreen (Fps) 2309 736
GFXBench 4.0 - Manhattan (Fps) 3354 2062
GFXBench 4.0 - T-Rex (Fps) 3220 3353
Geekbench - OpenCL 1731
PassMark - G2D Mark 139
PassMark - G3D Mark 523

Compare specifications (specs)

NVIDIA GeForce GT 640 Rev. 2 AMD Radeon HD 8650G

Essentials

Architecture Kepler 2.0 Terascale 3
Code name GK208 Richland
Launch date 29 May 2013 1 May 2013
Launch price (MSRP) $89
Place in performance rating 1275 1276
Type Desktop Laptop

Technical info

Core clock speed 1046 MHz 533 MHz
Floating-point performance 803.3 gflops
Manufacturing process technology 28 nm 32 nm
Pipelines 384 384
Texture fill rate 16.74 GTexel / s
Thermal Design Power (TDP) 49 Watt
Boost clock speed 720 MHz

Video outputs and ports

Display Connectors 1x DVI, 1x HDMI, 1x VGA

Compatibility, dimensions and requirements

Interface PCIe 2.0 x8
Length 145 mm
Supplementary power connectors None
Laptop size medium sized

API support

DirectX 12.0 (11_0) 11
OpenGL 4.6

Memory

Maximum RAM amount 1 GB
Memory bandwidth 40.06 GB / s
Memory bus width 64 Bit
Memory clock speed 5008 MHz
Memory type GDDR5
Shared memory 1