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 Duo
CORE STATE
Capsaicin
VRAM
4 GB
CLOCK SPEED
—
TDP
350 W
BUS WIDTH
4096 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
Pro Duo
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
GPU Clock
907 MHz
1000 MHz
Memory Clock
1470 MHz
5.9 Gbps effective
500 MHz
1000 Mbps effective
Memory
Memory Size
4 GB
4 GB
VRAM (MB)
4,096
4,096
0.0%
Memory Type
GDDR5
HBM
Memory Bus
128 bit
4096 bit
Bandwidth
94.08 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
14.51 GPixel/s
64.00 GPixel/s
Texture Rate
43.54 GTexel/s
256.0 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
8.192 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
512.0 GFLOPS (1:16)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
8.192 TFLOPS (1:1)
Power
TDP
75 W
350 W
TDP (W)
75
350
+366.7%
Suggested PSU
—
750 W
Power Connectors
None
3x 8-pin
Architecture
Architecture
GCN 4.0
GCN 3.0
GPU Name
Polaris 21
Capsaicin
Generation
Radeon Pro Mac
(500X Series)
Radeon Pro GCN
Process Size
14 nm
28 nm
Transistors
3,000 million
8,900 million
Die Size
123 mm²
596 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
14.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.3
1.2.170
OpenCL
2.1
2.1
Shader Model
6.7
6.5
Physical
Slot Width
IGP
Dual-slot
Length
—
277 mm
10.9 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x HDMI 1.4a3x DisplayPort 1.2
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
1,499 USD
Production
End-of-life
End-of-life
Predecessor
—
FirePro GCN
Successor
—
Radeon Pro Polaris