Radeon R9 M395X Mac Edition vs GeForce GTX 580M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 2GB VRAM GeForce GTX 580M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 M395X Mac Edition 's Advantages
Released 3 years and 11 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.7GB/s vs 96.00GB/s)
1664 additional rendering cores
GeForce GTX 580M 's Advantages
Lower TDP (100W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+291%
3723
GeForce GTX 580M
952
Graphics Card
May 2015
Release Date
Jun 2011
Crystal System
Generation
GeForce 500M
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
MXM-B (3.0)
Clock Speeds
1365 MHz
Memory Clock
750 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
96.00GB/s
Render Config
32
Compute Units
-
-
SM Count
8
2048
Shading Units
384
128
TMUs
64
32
ROPs
32
16 KB (per CU)
L1 Cache
64 KB (per SM)
512 KB
L2 Cache
512 KB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
9.920 GPixel/s
116.4 GTexel/s
Texture Rate
39.68 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
952.3 GFLOPS
232.7 GFLOPS
FP64 (double)
79.36 GFLOPS
Board Design
250W
TDP
100W
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
Amethyst
GPU Name
GF114
Amethyst XT
GPU Variant
N12E-GTX2-A1
GCN 3.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
5 billion
Transistors
1.95 billion
366 mm²
Die Size
332 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.0
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
6.3
Shader Model
5.1
