NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon E6760 MXM
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 1024MB VRAM Radeon E6760 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640M Mac Edition 's Advantages
Released 1 years and 9 months late
Lower TDP (32W vs 45W)
AMD Radeon E6760 MXM 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (51.20GB/s vs 40.00GB/s)
96 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
0.572 TFLOPS
Radeon E6760 MXM
0.576 TFLOPS
Graphics Card
Feb 2013
Release Date
May 2011
GeForce 600M
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
800 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
51.20GB/s
Render Config
-
Compute Units
6
-
-
-
384
Shading Units
480
32
TMUs
24
8
ROPs
8
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
5.960 GPixel/s
Pixel Rate
4.800 GPixel/s
23.84 GTexel/s
Texture Rate
14.40 GTexel/s
-
-
-
572.2 GFLOPS
FP32 (float)
576.0 GFLOPS
23.84 GFLOPS
FP64 (double)
-
Board Design
32W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GK107
GPU Name
Turks
N13P-GS
GPU Variant
Turks XT
(215-0803000)
Kepler
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.716 billion
118 mm²
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.1
Vulkan
N/A
3.0
CUDA
-
5.1
Shader Model
5.0
