GeForce 940M vs Radeon HD 7970M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 940M 's Advantages
Released 2 years and 11 months late
Boost Clock1098MHz
Lower TDP (75W vs 100W)
Radeon HD 7970M 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 940M
1124
Radeon HD 7970M
+93%
2176
3DMark Time Spy
GeForce 940M
507
Radeon HD 7970M
+183%
1436
3DMark Time Spy Extreme
GeForce 940M
120
Radeon HD 7970M
+359%
551
Graphics Card
Mar 2015
Release Date
Apr 2012
GeForce 900M
Generation
London
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
1020 MHz
Base Clock
-
1098 MHz
Boost Clock
-
900 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
153.6GB/s
Render Config
-
Compute Units
20
512
Shading Units
1280
32
TMUs
80
16
ROPs
32
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
17.57 GPixel/s
Pixel Rate
27.20 GPixel/s
35.14 GTexel/s
Texture Rate
68.00 GTexel/s
1124 GFLOPS
FP32 (float)
2.176 TFLOPS
35.14 GFLOPS
FP64 (double)
136.0 GFLOPS
Board Design
75W
TDP
100W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
Wimbledon
N16S-GT1-KB-B
GPU Variant
Wimbledon XT
(216-0836036)
Maxwell
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
2.8 billion
148 mm²
Die Size
212 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
5.0
CUDA
-
5.1
Shader Model
5.1