GeForce GT 640M Mac Edition vs Radeon E9174 MXM
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 4GB VRAM Radeon E9174 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 640M Mac Edition 's Advantages
Lower TDP (32W vs 50W)
Radeon E9174 MXM 's Advantages
Released 4 years and 8 months late
Boost Clock1219MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (96.00GB/s vs 40.00GB/s)
128 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
572
Radeon E9174 MXM
+118%
1248
Graphics Card
Feb 2013
Release Date
Oct 2017
GeForce 600M
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
1124 MHz
-
Boost Clock
1219 MHz
1250 MHz
Memory Clock
1500 MHz
Memory
512MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
96.00GB/s
Render Config
-
Compute Units
8
384
Shading Units
512
32
TMUs
32
8
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
512 KB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
19.50 GPixel/s
23.84 GTexel/s
Texture Rate
39.01 GTexel/s
-
FP16 (half)
1248 GFLOPS
572.2 GFLOPS
FP32 (float)
1248 GFLOPS
23.84 GFLOPS
FP64 (double)
78.02 GFLOPS
Board Design
32W
TDP
50W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
Lexa
N13P-GS
GPU Variant
E9170
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.27 billion
Transistors
2.2 billion
118 mm²
Die Size
103 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.2
3.0
CUDA
-
5.1
Shader Model
6.4