GPU Comparison
RADEON
AMD 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
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_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
Pro Duo
RX 550X
Core Specs
Shading Units
4,096
512
-87.5%
Shaders
4,096
512
-87.5%
TMUs
256
32
-87.5%
ROPs
64
16
-75.0%
Compute Units
64
8
-87.5%
Clocks
Base Clock
—
1100 MHz
Boost Clock
—
1183 MHz
GPU Clock
1000 MHz
—
Memory Clock
500 MHz
1000 Mbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
4 GB
4 GB
VRAM (MB)
4,096
4,096
0.0%
Memory Type
HBM
GDDR5
Memory Bus
4096 bit
128 bit
Bandwidth
512.0 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
64.00 GPixel/s
18.93 GPixel/s
Texture Rate
256.0 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
8.192 TFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
512.0 GFLOPS (1:16)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
8.192 TFLOPS (1:1)
1,211.4 GFLOPS (1:1)
Power
TDP
350 W
50 W
TDP (W)
350
50
-85.7%
Suggested PSU
750 W
250 W
Power Connectors
3x 8-pin
None
Architecture
Architecture
GCN 3.0
GCN 4.0
GPU Name
Capsaicin
Lexa
Generation
Radeon Pro GCN
Polaris
(RX 500X)
Process Size
28 nm
14 nm
Transistors
8,900 million
2,200 million
Die Size
596 mm²
103 mm²
Foundry
TSMC
GlobalFoundries
Density
14.9M / mm²
21.4M / mm²
API Support
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.3
OpenCL
2.1
2.1
Shader Model
6.5
6.7
Physical
Slot Width
Dual-slot
Dual-slot
Length
277 mm
10.9 inches
145 mm
5.7 inches
Height
111 mm
4.4 inches
—
Outputs
1x HDMI 1.4a3x DisplayPort 1.2
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x8
Other
Launch Price
1,499 USD
—
Production
End-of-life
End-of-life
Predecessor
FirePro GCN
Polaris
Successor
Radeon Pro Polaris
Vega