GPU Comparison
RADEON
AMD Radeon Pro Vega 20
CORE STATE
Vega 12
VRAM
4 GB
CLOCK SPEED
1283 MHz
TDP
100 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
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
Pro Vega 20
R9 M395X
Core Specs
Shading Units
1,280
2,048
+60.0%
Shaders
1,280
2,048
+60.0%
TMUs
80
128
+60.0%
ROPs
32
32
0.0%
Compute Units
20
32
+60.0%
Clocks
Base Clock
815 MHz
—
Boost Clock
1283 MHz
—
GPU Clock
—
723 MHz
Memory Clock
740 MHz
1480 Mbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
HBM2
GDDR5
Memory Bus
1024 bit
256 bit
Bandwidth
189.4 GB/s
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
512 KB
Performance
Pixel Rate
41.06 GPixel/s
23.14 GPixel/s
Texture Rate
102.6 GTexel/s
92.54 GTexel/s
FP32 (TFLOPS)
3.284 TFLOPS
2.961 TFLOPS
FP64 (TFLOPS)
205.3 GFLOPS (1:16)
185.1 GFLOPS (1:16)
FP16 (TFLOPS)
6.569 TFLOPS (2:1)
2.961 TFLOPS (1:1)
Power
TDP
100 W
75 W
TDP (W)
100
75
-25.0%
Power Connectors
—
None
Architecture
Architecture
GCN 5.0
GCN 3.0
GPU Name
Vega 12
Amethyst
Generation
Radeon Pro Mac
(Vega Series)
Gem System
(R9 M300)
Process Size
14 nm
28 nm
Transistors
—
5,000 million
Die Size
—
366 mm²
Foundry
GlobalFoundries
TSMC
Density
—
13.7M / mm²
API Support
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.170
OpenCL
2.1
2.1
Shader Model
6.0
6.5
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
—
Solar System
Successor
—
Polaris Mobile