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 W5500X
CORE STATE
Navi 14
VRAM
8 GB
CLOCK SPEED
1757 MHz
TDP
125 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 1.0
PROCESS
7 nm
LAUNCH DATE
2019
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
Pro W5500X
Core Specs
Shading Units
768
1,536
+100.0%
Shaders
768
1,536
+100.0%
TMUs
48
96
+100.0%
ROPs
16
32
+100.0%
Compute Units
12
24
+100.0%
Clocks
Base Clock
—
1187 MHz
Boost Clock
—
1757 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
1750 MHz
14 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
128 bit
Bandwidth
94.08 GB/s
224.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
1024 KB
2 MB
Performance
Pixel Rate
14.51 GPixel/s
56.22 GPixel/s
Texture Rate
43.54 GTexel/s
168.7 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
5.398 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
337.3 GFLOPS (1:16)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
10.80 TFLOPS (2:1)
Power
TDP
75 W
125 W
TDP (W)
75
125
+66.7%
Suggested PSU
—
300 W
Power Connectors
None
—
Architecture
Architecture
GCN 4.0
RDNA 1.0
GPU Name
Polaris 21
Navi 14
Generation
Radeon Pro Mac
(500X Series)
Radeon Pro Mac
(Navi Series)
Process Size
14 nm
7 nm
Transistors
3,000 million
6,400 million
Die Size
123 mm²
158 mm²
Foundry
GlobalFoundries
TSMC
Density
24.4M / mm²
40.5M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
2.1
Shader Model
6.7
6.8
Physical
Slot Width
IGP
Dual-slot
Outputs
Portable Device Dependent
2x HDMI 2.0b
Bus Interface
PCIe 3.0 x8
Apple MPX
Other
Launch Price
—
599 USD
Production
End-of-life
End-of-life