GPU Comparison
RADEON
AMD Radeon Pro 555X
CORE STATE
Polaris 21
VRAM
4 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
VS
RADEON
Radeon Pro Vega 64
CORE STATE
Vega 10
VRAM
16 GB
CLOCK SPEED
1350 MHz
TDP
250 W
BUS WIDTH
2048 bit
ARCHITECTURE
GCN 5.0
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
Pro Vega 64
Core Specs
Shading Units
768
4,096
+433.3%
Shaders
768
4,096
+433.3%
TMUs
48
256
+433.3%
ROPs
16
64
+300.0%
Compute Units
12
64
+433.3%
Clocks
Base Clock
—
1250 MHz
Boost Clock
—
1350 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
786 MHz
1572 Mbps effective
Memory
Memory Size
4 GB
16 GB
VRAM (MB)
4,096
16,384
+300.0%
Memory Type
GDDR5
HBM2
Memory Bus
128 bit
2048 bit
Bandwidth
94.08 GB/s
402.4 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
4 MB
Performance
Pixel Rate
14.51 GPixel/s
86.40 GPixel/s
Texture Rate
43.54 GTexel/s
345.6 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
11.06 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
691.2 GFLOPS (1:16)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
22.12 TFLOPS (2:1)
Power
TDP
75 W
250 W
TDP (W)
75
250
+233.3%
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 5.0
GPU Name
Polaris 21
Vega 10
Generation
Radeon Pro Mac
(500X Series)
Radeon Pro Mac
(Vega Series)
Process Size
14 nm
14 nm
Transistors
3,000 million
12,500 million
Die Size
123 mm²
495 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
24.4M / mm²
25.3M / 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
6.7
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