NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon HD 7650M

Comparative analysis of NVIDIA GeForce GT 640M Mac Edition and AMD Radeon HD 7650M 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, 3DMark Fire Strike - Graphics Score.

 

Differences

Reasons to consider the NVIDIA GeForce GT 640M Mac Edition

  • Videocard is newer: launch date 1 year(s) 0 month(s) later
  • Around 66% higher core clock speed: 745 MHz vs 450 MHz
  • 2.2x more texture fill rate: 23.84 GTexel / s vs 10.8 GTexel / s
  • Around 32% better floating-point performance: 572.2 gflops vs 432.0 gflops
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
  • 3.1x more memory clock speed: 5000 MHz vs 1600 MHz
  • Around 78% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 6.577 vs 3.699
  • Around 2% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 226.218 vs 220.859
  • Around 49% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.559 vs 0.375
  • Around 64% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 1706 vs 1042
  • Around 53% better performance in GFXBench 4.0 - Manhattan (Frames): 2983 vs 1949
  • 3.2x better performance in GFXBench 4.0 - T-Rex (Frames): 5586 vs 1733
Specifications (specs)
Launch date 3 February 2013 vs 7 January 2012
Core clock speed 745 MHz vs 450 MHz
Texture fill rate 23.84 GTexel / s vs 10.8 GTexel / s
Floating-point performance 572.2 gflops vs 432.0 gflops
Manufacturing process technology 28 nm vs 40 nm
Memory clock speed 5000 MHz vs 1600 MHz
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 6.577 vs 3.699
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 226.218 vs 220.859
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.559 vs 0.375
GFXBench 4.0 - Car Chase Offscreen (Frames) 1706 vs 1042
GFXBench 4.0 - Manhattan (Frames) 2983 vs 1949
GFXBench 4.0 - T-Rex (Frames) 5586 vs 1733

Reasons to consider the AMD Radeon HD 7650M

  • Around 25% higher pipelines: 480 vs 384
  • Around 60% lower typical power consumption: 20 Watt vs 32 Watt
  • 2x more maximum memory size: 1 GB vs 512 MB
  • 3.6x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 44.624 vs 12.554
  • 36.1x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 1042 vs 28.9
  • 40.5x better performance in GFXBench 4.0 - Manhattan (Fps): 1949 vs 48.1
  • 17.4x better performance in GFXBench 4.0 - T-Rex (Fps): 1733 vs 99.8
Specifications (specs)
Pipelines 480 vs 384
Thermal Design Power (TDP) 20 Watt vs 32 Watt
Maximum memory size 1 GB vs 512 MB
Benchmarks
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 44.624 vs 12.554
GFXBench 4.0 - Car Chase Offscreen (Fps) 1042 vs 28.9
GFXBench 4.0 - Manhattan (Fps) 1949 vs 48.1
GFXBench 4.0 - T-Rex (Fps) 1733 vs 99.8

Compare benchmarks

GPU 1: NVIDIA GeForce GT 640M Mac Edition
GPU 2: AMD Radeon HD 7650M

CompuBench 1.5 Desktop - Face Detection (mPixels/s)
GPU 1
GPU 2
6.577
3.699
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)
GPU 1
GPU 2
226.218
220.859
CompuBench 1.5 Desktop - T-Rex (Frames/s)
GPU 1
GPU 2
0.559
0.375
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)
GPU 1
GPU 2
12.554
44.624
GFXBench 4.0 - Car Chase Offscreen (Frames)
GPU 1
GPU 2
1706
1042
GFXBench 4.0 - Manhattan (Frames)
GPU 1
GPU 2
2983
1949
GFXBench 4.0 - T-Rex (Frames)
GPU 1
GPU 2
5586
1733
GFXBench 4.0 - Car Chase Offscreen (Fps)
GPU 1
GPU 2
28.9
1042
GFXBench 4.0 - Manhattan (Fps)
GPU 1
GPU 2
48.1
1949
GFXBench 4.0 - T-Rex (Fps)
GPU 1
GPU 2
99.8
1733
Name NVIDIA GeForce GT 640M Mac Edition AMD Radeon HD 7650M
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 6.577 3.699
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 226.218 220.859
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.559 0.375
CompuBench 1.5 Desktop - Video Composition (Frames/s) 11.947
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 12.554 44.624
GFXBench 4.0 - Car Chase Offscreen (Frames) 1706 1042
GFXBench 4.0 - Manhattan (Frames) 2983 1949
GFXBench 4.0 - T-Rex (Frames) 5586 1733
GFXBench 4.0 - Car Chase Offscreen (Fps) 28.9 1042
GFXBench 4.0 - Manhattan (Fps) 48.1 1949
GFXBench 4.0 - T-Rex (Fps) 99.8 1733
PassMark - G3D Mark 438
PassMark - G2D Mark 59
Geekbench - OpenCL 1192
3DMark Fire Strike - Graphics Score 680

Compare specifications (specs)

NVIDIA GeForce GT 640M Mac Edition AMD Radeon HD 7650M

Essentials

Architecture Kepler TeraScale 2
Code name GK107 Thames
Launch date 3 February 2013 7 January 2012
Place in performance rating 1514 1517
Type Desktop Laptop

Technical info

Core clock speed 745 MHz 450 MHz
Floating-point performance 572.2 gflops 432.0 gflops
Manufacturing process technology 28 nm 40 nm
Pipelines 384 480
Texture fill rate 23.84 GTexel / s 10.8 GTexel / s
Thermal Design Power (TDP) 32 Watt 20 Watt
Transistor count 1,270 million 716 million
Boost clock speed 550 MHz

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16 PCIe 2.0 x16
Laptop size medium sized

API support

DirectX 12.0 (11_0) 11.2 (11_0)
OpenGL 4.6 4.4

Memory

Maximum RAM amount 512 MB 1 GB
Memory bandwidth 40 GB / s 25.6 GB / s
Memory bus width 64 Bit 128 Bit
Memory clock speed 5000 MHz 1600 MHz
Memory type GDDR5 DDR3
Shared memory 0