GPU Comparison
RADEON
AMD Radeon R9 M295X
CORE STATE
Amethyst
VRAM
4 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
RADEON
Radeon R9 M395X
CORE STATE
Amethyst
VRAM
8 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M295X
R9 M395X
Core Specs
Shading Units
2,048
2,048
0.0%
Shaders
2,048
2,048
0.0%
TMUs
128
128
0.0%
ROPs
32
32
0.0%
Compute Units
32
32
0.0%
Clocks
GPU Clock
723 MHz
723 MHz
Memory Clock
1250 MHz
5 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
23.14 GPixel/s
23.14 GPixel/s
Texture Rate
92.54 GTexel/s
92.54 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
2.961 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
185.1 GFLOPS (1:16)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
2.961 TFLOPS (1:1)
Power
TDP
250 W
75 W
TDP (W)
250
75
-70.0%
Power Connectors
None
None
Architecture
Architecture
GCN 3.0
GCN 3.0
GPU Name
Amethyst
Amethyst
Generation
Gem System
(R9 M200)
Gem System
(R9 M300)
Process Size
28 nm
28 nm
Transistors
5,000 million
5,000 million
Die Size
366 mm²
366 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
13.7M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1
2.1
Shader Model
6.5
6.5
Physical
Slot Width
MXM Module
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Solar System
Successor
Polaris Mobile
Polaris Mobile