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 RX 590
CORE STATE
Polaris 30
VRAM
8 GB
CLOCK SPEED
1545 MHz
TDP
175 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
12 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 555X
RX 590
Core Specs
Shading Units
768
2,304
+200.0%
Shaders
768
2,304
+200.0%
TMUs
48
144
+200.0%
ROPs
16
32
+100.0%
Compute Units
12
36
+200.0%
Clocks
Base Clock
—
1469 MHz
Boost Clock
—
1545 MHz
GPU Clock
907 MHz
—
Memory Clock
1470 MHz
5.9 Gbps effective
2000 MHz
8 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
94.08 GB/s
256.0 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
49.44 GPixel/s
Texture Rate
43.54 GTexel/s
222.5 GTexel/s
FP32 (TFLOPS)
1,393.2 GFLOPS
7.119 TFLOPS
FP64 (TFLOPS)
87.07 GFLOPS (1:16)
445.0 GFLOPS (1:16)
FP16 (TFLOPS)
1,393.2 GFLOPS (1:1)
7.119 TFLOPS (1:1)
Power
TDP
75 W
175 W
TDP (W)
75
175
+133.3%
Suggested PSU
—
450 W
Power Connectors
None
1x 8-pin
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Polaris 21
Polaris 30
Generation
Radeon Pro Mac
(500X Series)
Polaris
(RX 500)
Process Size
14 nm
12 nm
Transistors
3,000 million
5,700 million
Die Size
123 mm²
232 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
24.4M / mm²
24.6M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
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
Dual-slot
Length
—
241 mm
9.5 inches
Outputs
Portable Device Dependent
1x HDMI 2.0b3x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x16
Other
Launch Price
—
279 USD
Production
End-of-life
End-of-life
Predecessor
—
Arctic Islands
Successor
—
Vega