NVIDIA GeForce GT 640M Mac Edition vs AMD Radeon E9260 MXM
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 4GB VRAM Radeon E9260 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
Lower TDP (32W vs 50W)
AMD Radeon E9260 MXM 's Advantages
Released 3 years and 7 months late
Boost Clock1200MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (112.0GB/s vs 40.00GB/s)
512 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
0.572 TFLOPS
Radeon E9260 MXM
+275%
2.15 TFLOPS
Graphics Card
Feb 2013
Release Date
Sep 2016
GeForce 600M
Generation
Embedded
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
-
Base Clock
1090 MHz
-
Boost Clock
1200 MHz
1250 MHz
Memory Clock
1750 MHz
Memory
512MB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
112.0GB/s
Render Config
-
Compute Units
14
-
-
-
384
Shading Units
896
32
TMUs
48
8
ROPs
16
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
128 KB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
5.960 GPixel/s
Pixel Rate
19.20 GPixel/s
23.84 GTexel/s
Texture Rate
57.60 GTexel/s
-
FP16 (half)
2.150 TFLOPS
572.2 GFLOPS
FP32 (float)
2.150 TFLOPS
23.84 GFLOPS
FP64 (double)
134.4 GFLOPS
Board Design
32W
TDP
50W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK107
GPU Name
Baffin
N13P-GS
GPU Variant
Baffin PRO
Kepler
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
1.27 billion
Transistors
3 billion
118 mm²
Die Size
123 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
