AMD Radeon E9172 MXM vs NVIDIA GeForce GT 640M Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon E9172 MXM and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon E9172 MXM 's Advantages
Released 4 years and 8 months late
Boost Clock1219MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (48.00GB/s vs 40.00GB/s)
128 additional rendering cores
NVIDIA GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 35W)
Score
Benchmark
FP32 (float)
Radeon E9172 MXM
+118%
1.248 TFLOPS
GeForce GT 640M Mac Edition
0.572 TFLOPS
Graphics Card
Oct 2017
Release Date
Feb 2013
Embedded
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1124 MHz
Base Clock
-
1219 MHz
Boost Clock
-
1500 MHz
Memory Clock
1250 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
64bit
48.00GB/s
Bandwidth
40.00GB/s
Render Config
8
Compute Units
-
-
-
-
512
Shading Units
384
32
TMUs
32
16
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
19.50 GPixel/s
Pixel Rate
5.960 GPixel/s
39.01 GTexel/s
Texture Rate
23.84 GTexel/s
1248 GFLOPS
FP16 (half)
-
1248 GFLOPS
FP32 (float)
572.2 GFLOPS
78.02 GFLOPS
FP64 (double)
23.84 GFLOPS
Board Design
35W
TDP
32W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Lexa
GPU Name
GK107
E9170
GPU Variant
N13P-GS
GCN 4.0
Architecture
Kepler
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
2.2 billion
Transistors
1.27 billion
103 mm²
Die Size
118 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
6.4
Shader Model
5.1
