GPU Comparison
RADEON
AMD 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
VS
RADEON
Radeon VII
CORE STATE
Vega 20
VRAM
16 GB
CLOCK SPEED
1750 MHz
TDP
295 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 5.1
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
VII
Core Specs
Shading Units
2,048
3,840
+87.5%
Shaders
2,048
3,840
+87.5%
TMUs
128
240
+87.5%
ROPs
32
64
+100.0%
Compute Units
32
60
+87.5%
Clocks
Base Clock
—
1400 MHz
Boost Clock
—
1750 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1000 MHz
2 Gbps effective
Memory
Memory Size
8 GB
16 GB
VRAM (MB)
8,192
16,384
+100.0%
Memory Type
GDDR5
HBM2
Memory Bus
256 bit
4096 bit
Bandwidth
160.0 GB/s
1.02 TB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
Performance
Pixel Rate
23.14 GPixel/s
112.0 GPixel/s
Texture Rate
92.54 GTexel/s
420.0 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
13.44 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
3.360 TFLOPS (1:4)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
26.88 TFLOPS (2:1)
Power
TDP
75 W
295 W
TDP (W)
75
295
+293.3%
Suggested PSU
—
600 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 3.0
GCN 5.1
GPU Name
Amethyst
Vega 20
Generation
Gem System
(R9 M300)
Vega II
(Radeon VII)
Process Size
28 nm
7 nm
Transistors
5,000 million
13,230 million
Die Size
366 mm²
331 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
40.0M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1
2.1
Shader Model
6.5
6.7
Physical
Slot Width
MXM Module
Dual-slot
Length
—
280 mm
11 inches
Height
—
125 mm
4.9 inches
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
699 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
Vega
Successor
Polaris Mobile
Navi