GPU Comparison
RADEON
AMD Radeon Pro 555
CORE STATE
Polaris 21
VRAM
2 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon Pro Vega 16
CORE STATE
Vega 12
VRAM
4 GB
CLOCK SPEED
1190 MHz
TDP
75 W
BUS WIDTH
1024 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555
Pro Vega 16
Core Specs
Shading Units
768
1,024
+33.3%
Shaders
768
1,024
+33.3%
TMUs
48
64
+33.3%
ROPs
16
32
+100.0%
Compute Units
12
16
+33.3%
Clocks
Base Clock
—
815 MHz
Boost Clock
—
1190 MHz
GPU Clock
850 MHz
—
Memory Clock
1275 MHz
5.1 Gbps effective
1200 MHz
2.4 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
1024 bit
Bandwidth
81.60 GB/s
307.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
1024 KB
Performance
Pixel Rate
13.60 GPixel/s
38.08 GPixel/s
Texture Rate
40.80 GTexel/s
76.16 GTexel/s
FP32 (TFLOPS)
1,305.6 GFLOPS
2.437 TFLOPS
FP64 (TFLOPS)
81.60 GFLOPS (1:16)
152.3 GFLOPS (1:16)
FP16 (TFLOPS)
1,305.6 GFLOPS (1:1)
4.874 TFLOPS (2:1)
Power
TDP
75 W
75 W
TDP (W)
75
75
0.0%
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
GCN 5.0
GPU Name
Polaris 21
Vega 12
Generation
Radeon Pro Mac
(500 Series)
Radeon Pro Mac
(Vega Series)
Process Size
14 nm
14 nm
Transistors
3,000 million
—
Die Size
123 mm²
—
Foundry
GlobalFoundries
GlobalFoundries
Density
24.4M / mm²
—
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.3
OpenCL
2.1
2.1
Shader Model
6.7
6.0
Physical
Slot Width
IGP
IGP
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life