NVIDIA GeForce 920M vs AMD Radeon R9 M395X Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM GeForce 920M and 4GB VRAM Radeon R9 M395X Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 920M 's Advantages
Lower TDP (33W vs 250W)
AMD Radeon R9 M395X Mac Edition 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)
1664 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 920M
0.733 TFLOPS
Radeon R9 M395X Mac Edition
+407%
3.723 TFLOPS
Graphics Card
Mar 2015
Release Date
May 2015
GeForce 900M
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-B (3.0)
Clock Speeds
-
-
-
-
-
-
900 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
4GB
DDR3
Memory Type
GDDR5
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
174.7GB/s
Render Config
-
Compute Units
32
-
-
-
384
Shading Units
2048
32
TMUs
128
8
ROPs
32
-
-
-
-
-
-
16 KB (per SMX)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
7.632 GPixel/s
Pixel Rate
29.09 GPixel/s
30.53 GTexel/s
Texture Rate
116.4 GTexel/s
-
FP16 (half)
3.723 TFLOPS
732.7 GFLOPS
FP32 (float)
3.723 TFLOPS
30.53 GFLOPS
FP64 (double)
232.7 GFLOPS
Board Design
33W
TDP
250W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK208B
GPU Name
Amethyst
N16V-GM
GPU Variant
Amethyst XT
Kepler 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.02 billion
Transistors
5 billion
87 mm²
Die Size
366 mm²
Graphics Features
12 (11_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.1
Vulkan
1.2
3.5
CUDA
-
5.1
Shader Model
6.3
