AMD Radeon R9 M395X Mac Edition vs AMD Radeon R5 A320
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 1024MB VRAM Radeon R5 A320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M395X Mac Edition 's Advantages
More VRAM (4GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 16.00GB/s)
1728 additional rendering cores
AMD Radeon R5 A320 's Advantages
Boost Clock825MHz
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+605%
3.723 TFLOPS
Radeon R5 A320
0.528 TFLOPS
Graphics Card
May 2015
Release Date
Jan 2015
Crystal System
Generation
All-In-One
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
750 MHz
-
Boost Clock
825 MHz
1365 MHz
Memory Clock
1000 MHz
Memory
4GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
256bit
Memory Bus
64bit
174.7GB/s
Bandwidth
16.00GB/s
Render Config
32
Compute Units
5
-
-
-
2048
Shading Units
320
128
TMUs
20
32
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-
Theoretical Performance
29.09 GPixel/s
Pixel Rate
6.600 GPixel/s
116.4 GTexel/s
Texture Rate
16.50 GTexel/s
3.723 TFLOPS
FP16 (half)
-
3.723 TFLOPS
FP32 (float)
528.0 GFLOPS
232.7 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
Jet
Amethyst XT
GPU Variant
Jet PRO
(216-0856040)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
5 billion
Transistors
0.69 billion
366 mm²
Die Size
56 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.0
OpenCL
2.1 (1.2)
1.2
Vulkan
1.2.170
-
-
-
6.3
Shader Model
6.5 (5.1)
