GPU Comparison
RADEON
AMD Radeon Pro 580
CORE STATE
Ellesmere
VRAM
8 GB
CLOCK SPEED
1200 MHz
TDP
185 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2017
VS
RADEON
Radeon RX 550X
CORE STATE
Lexa
VRAM
4 GB
CLOCK SPEED
1183 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro 580
RX 550X
Core Specs
Shading Units
2,304
512
-77.8%
Shaders
2,304
512
-77.8%
TMUs
144
32
-77.8%
ROPs
32
16
-50.0%
Compute Units
36
8
-77.8%
Clocks
Base Clock
1100 MHz
1100 MHz
Boost Clock
1200 MHz
1183 MHz
Memory Clock
1695 MHz
6.8 Gbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
8 GB
4 GB
VRAM (MB)
8,192
4,096
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
217.0 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Performance
Pixel Rate
38.40 GPixel/s
18.93 GPixel/s
Texture Rate
172.8 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
5.530 TFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
345.6 GFLOPS (1:16)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
5.530 TFLOPS (1:1)
1,211.4 GFLOPS (1:1)
Power
TDP
185 W
50 W
TDP (W)
185
50
-73.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Ellesmere
Lexa
Generation
Radeon Pro Mac
(500 Series)
Polaris
(RX 500X)
Process Size
14 nm
14 nm
Transistors
5,700 million
2,200 million
Die Size
232 mm²
103 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
24.6M / mm²
21.4M / 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
—
145 mm
5.7 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
—
Polaris
Successor
—
Vega