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NVIDIA GeForce GT 640M Mac Edition

GK107
Graphics Processor
384
Cores
32
TMUs
8
ROPs
512 MB
Memory Size
GDDR5
Memory Type
64 bit
Bus Width
NVIDIA GeForce GT 640M Mac Edition Image NVIDIA GK107 Image
The GeForce GT 640M Mac Edition is a graphics card by NVIDIA, launched in February 2013. Built on the 28 nm process, and based on the GK107 graphics processor, in its N13P-GS variant, the card supports DirectX 12.0. The GK107 graphics processor is an average sized chip with a die area of 118 mm² and 1,270 million transistors. It features 384 shading units, 32 texture mapping units and 8 ROPs. NVIDIA has placed 512 MB GDDR5 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 745 MHz, memory is running at 1250 MHz.
We recommend the NVIDIA GeForce GT 640M Mac Edition for gaming with highest details at resolutions up to, and including, 1024x768.
Its power draw is rated at 32 W maximum. GeForce GT 640M Mac Edition is connected to the rest of the system using a PCIe 3.0 x16 interface.

Graphics Processor

GPU Name: GK107
GPU Variant: N13P-GS
Architecture: Kepler
Process Size: 28 nm
Transistors: 1,270 million
Die Size: 118 mm²

Graphics Card

Released: Feb 3rd, 2013
Production Status: Active
Bus Interface: PCIe 3.0 x16

Relative Performance

19%
25%
30%
39%
46%
48%
60%
78%
79%
86%
91%
93%
100%
GeForce GT 640M Mac Edition
106%
113%
121%
125%
130%
134%
143%
151%
155%
159%
165%
188%
190%
193%
195%
198%
200%
211%
222%
226%
234%
240%
241%
242%
246%
258%
263%
282%
288%
288%
300%
311%
332%
343%
344%
351%
352%
365%
369%
372%
378%
396%
404%
410%
411%
413%
446%
449%
460%
466%
468%
473%
481%
482%
496%
534%
548%
562%
565%
570%
576%
605%
619%
634%
643%
643%
713%
795%
848%
853%
864%
876%
888%
891%
900%
904%
916%
986%
998%
998%
1035%
1130%
1180%
1221%
1337%
1381%
1492%
1578%
1846%
1901%
Based on TPU review data: "Performance Summary" at 1920x1080
GeForce GT 640M Mac Edition performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock: 745 MHz
Memory Clock: 1250 MHz
5000 MHz effective

Memory

Memory Size: 512 MB
Memory Type: GDDR5
Memory Bus: 64 bit
Bandwidth: 40.00 GB/s

Render Config

Shading Units: 384
TMUs: 32
ROPs: 8
SMX Count: 2
Pixel Rate: 5.960 GPixel/s
Texture Rate: 23.84 GTexel/s
Floating-point performance: 572.2 GFLOPS

Board Design

TDP: 32 W

Graphics Features

DirectX: 12.0
OpenGL: 4.6
OpenCL: 1.2
CUDA: 3.0
Shader Model: 5.0

Reviews

Our review database contains 2 reviews of the GeForce GT 640M Mac Edition.