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GPU Comparison
AMD Radeon R9 M395X Mac Edition vs AMD Radeon Pro 455
AMD Radeon R9 M395X Mac Edition vs AMD Radeon Pro 455
VS
AMD Radeon R9 M395X Mac Edition
AMD Radeon Pro 455
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 2GB VRAM Radeon Pro 455 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 2GB)
Larger VRAM bandwidth (174.7GB/s vs 81.28GB/s)
1280 additional rendering cores
AMD Radeon Pro 455 's Advantages
Released 1 years and 5 months late
Lower TDP (35W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
+183%
3.723 TFLOPS
Radeon Pro 455
1.313 TFLOPS
Radeon R9 M395X Mac Edition
VS
Radeon Pro 455
Graphics Card
May 2015
Release Date
Oct 2016
Crystal System
Generation
Radeon Pro Mac
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 3.0 x8
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1365 MHz
Memory Clock
1270 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
81.28GB/s
Render Config
-
SM Count
-
32
Compute Units
12
2048
Shading Units
768
128
TMUs
48
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
1024 KB
Theoretical Performance
29.09 GPixel/s
Pixel Rate
13.68 GPixel/s
116.4 GTexel/s
Texture Rate
41.04 GTexel/s
3.723 TFLOPS
FP16 (half)
1313 GFLOPS
3.723 TFLOPS
FP32 (float)
1313 GFLOPS
232.7 GFLOPS
FP64 (double)
82.08 GFLOPS
Graphics Processor
Amethyst
GPU Name
Baffin
Amethyst XT
GPU Variant
Baffin PRO
GCN 3.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
5 billion
Transistors
3 billion
366 mm²
Die Size
123 mm²
Board Design
250W
TDP
35W
-
Suggested PSU
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.2
-
CUDA
-
6.3
Shader Model
6.4
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