AMD Radeon R9 M395X vs AMD Radeon R9 M295X Mac Edition

GPU · Specs Compare

Products
GPU AMD Radeon R9 M395X AMD · 2015-05
GPU AMD Radeon R9 M295X Mac Edition AMD · 2014-11
Graphics Card
Release Date
May 2015
Nov 2014
Generation
Crystal System
Crystal System
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1250 MHz
1362 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
174.3GB/s
Render Config
Compute Units
32
32
Shading Units
2048
2048
TMUs
128
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
27.20 GPixel/s
Texture Rate
92.54 GTexel/s
108.8 GTexel/s
FP16 (half)
2.961 TFLOPS
3.482 TFLOPS
FP32 (float)
2.961 TFLOPS
3.482 TFLOPS
FP64 (double)
185.1 GFLOPS
217.6 GFLOPS
Graphics Processor
GPU Name
Amethyst
Amethyst
GPU Variant
Amethyst XT
Amethyst XT
Architecture
GCN 3.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
5 billion
Die Size
366 mm²
366 mm²
Board Design
TDP
75W
250W
Outputs
No outputs
No outputs
Power Connectors
None
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Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.3
Benchmark
3DMark Time Spy
2,514
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▲ Specs Compare Data sourced from official specifications and benchmark tests.