GeForce 940M vs Radeon HD 6650M
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 1024MB VRAM Radeon HD 6650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 940M 's Advantages
Released 4 years and 2 months late
Boost Clock1098MHz
More VRAM (2GB vs 1024GB)
32 additional rendering cores
Radeon HD 6650M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
Score
Benchmark
FP32 (float)
GeForce 940M
+95%
1124
Radeon HD 6650M
576
Graphics Card
Mar 2015
Release Date
Jan 2011
GeForce 900M
Generation
Vancouver
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
1020 MHz
Base Clock
-
1098 MHz
Boost Clock
-
900 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
6
512
Shading Units
480
32
TMUs
24
16
ROPs
8
64 KB (per SMM)
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
17.57 GPixel/s
Pixel Rate
4.800 GPixel/s
35.14 GTexel/s
Texture Rate
14.40 GTexel/s
1124 GFLOPS
FP32 (float)
576.0 GFLOPS
35.14 GFLOPS
FP64 (double)
-
Board Design
75W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GM107
GPU Name
Whistler
N16S-GT1-KB-B
GPU Variant
Whistler LE
(216-0810028)
Maxwell
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.87 billion
Transistors
0.716 billion
148 mm²
Die Size
118 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
5.0
CUDA
-
5.1
Shader Model
5.0
