GeForce 940M vs Radeon R9 M385
We compared two Mobile platform GPUs: 2GB VRAM GeForce 940M and 4GB VRAM Radeon R9 M385 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 940M 's Advantages
Boost Clock has increased by 10% (1098MHz vs 1000MHz)
Radeon R9 M385 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)
384 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 940M
1124
Radeon R9 M385
+59%
1792
3DMark Time Spy
GeForce 940M
507
Radeon R9 M385
+105%
1044
Graphics Card
Mar 2015
Release Date
May 2015
GeForce 900M
Generation
Gem System
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x16
Clock Speeds
1020 MHz
Base Clock
900 MHz
1098 MHz
Boost Clock
1000 MHz
900 MHz
Memory Clock
1200 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
76.80GB/s
Render Config
-
Compute Units
14
512
Shading Units
896
32
TMUs
56
16
ROPs
16
64 KB (per SMM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
Theoretical Performance
17.57 GPixel/s
Pixel Rate
16.00 GPixel/s
35.14 GTexel/s
Texture Rate
56.00 GTexel/s
1124 GFLOPS
FP32 (float)
1.792 TFLOPS
35.14 GFLOPS
FP64 (double)
112.0 GFLOPS
Board Design
75W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
Graphics Processor
GM107
GPU Name
Strato
N16S-GT1-KB-B
GPU Variant
Strato XT
Maxwell
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.87 billion
Transistors
2.08 billion
148 mm²
Die Size
160 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2.170
5.0
CUDA
-
5.1
Shader Model
6.5