NVIDIA GeForce GT 640M Mac Edition videocard review

NVIDIA GeForce GT 640M Mac Edition

GeForce GT 640M Mac Edition videocard released by NVIDIA; release date: 3 February 2013. The videocard is designed for desktop-computers and based on Kepler microarchitecture codenamed GK107.

Core clock speed - 745 MHz. Texture fill rate - 23.84 GTexel / s. Pipelines - 384. Floating-point performance - 572.2 gflops. Manufacturing process technology - 28 nm. Transistors count - 1,270 million. Power consumption (TDP) - 32 Watt.

Memory type: GDDR5. Maximum RAM amount - 512 MB. Memory bus width - 64 Bit. Memory clock speed - 5000 MHz. Memory bandwidth - 40 GB / s.

Benchmarks

CompuBench 1.5 Desktop
Face Detection
Top 1 GPU
This GPU
939.363 mPixels/s
6.577 mPixels/s
CompuBench 1.5 Desktop
Ocean Surface Simulation
Top 1 GPU
This GPU
14101.507 Frames/s
226.218 Frames/s
CompuBench 1.5 Desktop
T-Rex
Top 1 GPU
This GPU
93.230 Frames/s
0.559 Frames/s
CompuBench 1.5 Desktop
Video Composition
Top 1 GPU
This GPU
530.303 Frames/s
11.947 Frames/s
CompuBench 1.5 Desktop
Bitcoin Mining
Top 1 GPU
This GPU
4413.025 mHash/s
12.554 mHash/s
GFXBench 4.0
Car Chase Offscreen
Top 1 GPU
This GPU
34770 Frames
1706 Frames
GFXBench 4.0
Manhattan
Top 1 GPU
This GPU
27823 Frames
2983 Frames
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
69225 Frames
5586 Frames
GFXBench 4.0
Car Chase Offscreen
Top 1 GPU
This GPU
34770.000 Fps
28.900 Fps
GFXBench 4.0
Manhattan
Top 1 GPU
This GPU
27823.000 Fps
48.100 Fps
GFXBench 4.0
T-Rex
Top 1 GPU
This GPU
69225.000 Fps
99.800 Fps
Name Value
CompuBench 1.5 Desktop - Face Detection 6.577 mPixels/s
CompuBench 1.5 Desktop - Ocean Surface Simulation 226.218 Frames/s
CompuBench 1.5 Desktop - T-Rex 0.559 Frames/s
CompuBench 1.5 Desktop - Video Composition 11.947 Frames/s
CompuBench 1.5 Desktop - Bitcoin Mining 12.554 mHash/s
GFXBench 4.0 - Car Chase Offscreen 1706 Frames
GFXBench 4.0 - Manhattan 2983 Frames
GFXBench 4.0 - T-Rex 5586 Frames
GFXBench 4.0 - Car Chase Offscreen 28.900 Fps
GFXBench 4.0 - Manhattan 48.100 Fps
GFXBench 4.0 - T-Rex 99.800 Fps

Specifications (specs)

Essentials

Architecture Kepler
Code name GK107
Launch date 3 February 2013
Place in performance rating 1512
Type Desktop

Technical info

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

Video outputs and ports

Display Connectors No outputs

Compatibility, dimensions and requirements

Interface PCIe 3.0 x16

API support

DirectX 12.0 (11_0)
OpenGL 4.6

Memory

Maximum RAM amount 512 MB
Memory bandwidth 40 GB / s
Memory bus width 64 Bit
Memory clock speed 5000 MHz
Memory type GDDR5