GPU Comparison
RADEON
AMD Radeon 550X
CORE STATE
Lexa
VRAM
2 GB
CLOCK SPEED
1218 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 4.0
PROCESS
14 nm
LAUNCH DATE
2019
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_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
550X
Pro Duo
Core Specs
Shading Units
512
4,096
+700.0%
Shaders
512
4,096
+700.0%
TMUs
32
256
+700.0%
ROPs
16
64
+300.0%
Compute Units
8
64
+700.0%
Clocks
Base Clock
1082 MHz
—
Boost Clock
1218 MHz
—
GPU Clock
—
1000 MHz
Memory Clock
1750 MHz
7 Gbps effective
500 MHz
1000 Mbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
HBM
Memory Bus
128 bit
4096 bit
Bandwidth
112.0 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
19.49 GPixel/s
64.00 GPixel/s
Texture Rate
38.98 GTexel/s
256.0 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
8.192 TFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
512.0 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
8.192 TFLOPS (1:1)
Power
TDP
50 W
350 W
TDP (W)
50
350
+600.0%
Suggested PSU
250 W
750 W
Power Connectors
None
3x 8-pin
Architecture
Architecture
GCN 4.0
GCN 3.0
GPU Name
Lexa
Capsaicin
Generation
Polaris
(RX 500X)
Radeon Pro GCN
Process Size
14 nm
28 nm
Transistors
2,200 million
8,900 million
Die Size
103 mm²
596 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / 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
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
277 mm
10.9 inches
Height
—
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
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
Polaris
FirePro GCN
Successor
Vega
Radeon Pro Polaris