GPU Comparison
RADEON
AMD 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
VS
GPU
Arc A580
CORE STATE
DG2-512
VRAM
8 GB
CLOCK SPEED
2000 MHz
TDP
175 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
3dmark_3dmark_steel_nomad_dx12
DETAILED SPECIFICATIONS
SPECIFICATION
RX 550X
A580
Core Specs
Shading Units
512
3,072
+500.0%
Shaders
512
3,072
+500.0%
TMUs
32
192
+500.0%
ROPs
16
96
+500.0%
Compute Units
8
—
Execution Units
—
384
Clocks
Base Clock
1100 MHz
1700 MHz
Boost Clock
1183 MHz
2000 MHz
Memory Clock
1500 MHz
6 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
4 GB
8 GB
VRAM (MB)
4,096
8,192
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
256 bit
Bandwidth
96.00 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
512 KB
8 MB
Performance
Pixel Rate
18.93 GPixel/s
192.0 GPixel/s
Texture Rate
37.86 GTexel/s
384.0 GTexel/s
FP32 (TFLOPS)
1,211.4 GFLOPS
12.29 TFLOPS
FP64 (TFLOPS)
75.71 GFLOPS (1:16)
1.536 TFLOPS (1:8)
FP16 (TFLOPS)
1,211.4 GFLOPS (1:1)
24.58 TFLOPS (2:1)
AI/RT
RT Cores
—
24
XMX Cores
—
384
Power
TDP
50 W
175 W
TDP (W)
50
175
+250.0%
Suggested PSU
250 W
450 W
Power Connectors
None
2x 8-pin
Architecture
Architecture
GCN 4.0
Xe-HPG
GPU Name
Lexa
DG2-512
Generation
Polaris
(RX 500X)
Alchemist
(Arc 5)
Process Size
14 nm
6 nm
Transistors
2,200 million
21,700 million
Die Size
103 mm²
406 mm²
Foundry
GlobalFoundries
TSMC
Density
21.4M / mm²
53.4M / mm²
API Support
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.3
1.4
OpenCL
2.1
3.0
Shader Model
6.7
6.6
Physical
Slot Width
Dual-slot
Dual-slot
Length
145 mm
5.7 inches
—
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
PCIe 3.0 x8
PCIe 4.0 x16
Other
Production
End-of-life
Active
Predecessor
Polaris
Xe Graphics
Successor
Vega
Battlemage