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 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
550X
RX 550X
Core Specs
Shading Units
512
512
0.0%
Shaders
512
512
0.0%
TMUs
32
32
0.0%
ROPs
16
16
0.0%
Compute Units
8
8
0.0%
Clocks
Base Clock
1082 MHz
1100 MHz
Boost Clock
1218 MHz
1183 MHz
Memory Clock
1750 MHz
7 Gbps effective
1500 MHz
6 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
112.0 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
19.49 GPixel/s
18.93 GPixel/s
Texture Rate
38.98 GTexel/s
37.86 GTexel/s
FP32 (TFLOPS)
1,247.2 GFLOPS
1,211.4 GFLOPS
FP64 (TFLOPS)
77.95 GFLOPS (1:16)
75.71 GFLOPS (1:16)
FP16 (TFLOPS)
1,247.2 GFLOPS (1:1)
1,211.4 GFLOPS (1:1)
Power
TDP
50 W
50 W
TDP (W)
50
50
0.0%
Suggested PSU
250 W
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 4.0
GCN 4.0
GPU Name
Lexa
Lexa
Generation
Polaris
(RX 500X)
Polaris
(RX 500X)
Process Size
14 nm
14 nm
Transistors
2,200 million
2,200 million
Die Size
103 mm²
103 mm²
Foundry
GlobalFoundries
GlobalFoundries
Density
21.4M / 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
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
145 mm
5.7 inches
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x8
PCIe 3.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
Polaris
Polaris
Successor
Vega
Vega