NVIDIA GeForce 940M vs AMD Radeon HD 8790M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 2GB VRAM Radeon HD 8790M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 940M 's Advantages
Released 1 years and 11 months late
Boost Clock has increased by 22% (1098MHz vs 900MHz)
128 additional rendering cores
AMD Radeon HD 8790M 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
GeForce 940M
+62%
1.124 TFLOPS
Radeon HD 8790M
0.691 TFLOPS
3DMark Time Spy
GeForce 940M
507
Radeon HD 8790M
510
Graphics Card
Mar 2015
Release Date
Apr 2013
GeForce 900M
Generation
Solar System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-A (3.0)
Clock Speeds
1020 MHz
Base Clock
850 MHz
1098 MHz
Boost Clock
900 MHz
900 MHz
Memory Clock
1000 MHz
Memory
2GB
Memory Size
2GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
64.00GB/s
Render Config
-
Compute Units
6
-
-
-
512
Shading Units
384
32
TMUs
24
16
ROPs
8
-
-
-
-
-
-
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
17.57 GPixel/s
Pixel Rate
7.200 GPixel/s
35.14 GTexel/s
Texture Rate
21.60 GTexel/s
-
-
-
1124 GFLOPS
FP32 (float)
691.2 GFLOPS
35.14 GFLOPS
FP64 (double)
43.20 GFLOPS
Board Design
75W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Processor
GM107
GPU Name
Mars
N16S-GT1-KB-B
GPU Variant
Mars M2 XTX
(216-0842036)
Maxwell
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
0.95 billion
148 mm²
Die Size
77 mm²
Graphics Features
12 (11_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
2.1 (1.2)
1.3
Vulkan
1.2.170
5.0
CUDA
-
5.1
Shader Model
6.5 (5.1)
