Radeon RX 580G vs Radeon RX 550 512SP
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 2GB VRAM Radeon RX 550 512SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 580G 's Advantages
Released 1 years late
Boost Clock has increased by 24% (1330MHz vs 1071MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)
1792 additional rendering cores
Radeon RX 550 512SP 's Advantages
Lower TDP (50W vs 185W)
Score
Benchmark
FP32 (float)
Radeon RX 580G
+458%
6129
Radeon RX 550 512SP
1097
Graphics Card
Oct 2018
Release Date
Oct 2017
Polaris
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1257 MHz
Base Clock
1019 MHz
1330 MHz
Boost Clock
1071 MHz
2000 MHz
Memory Clock
1500 MHz
Memory
8GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
256.0GB/s
Bandwidth
96.00GB/s
Render Config
36
Compute Units
8
2304
Shading Units
512
144
TMUs
32
32
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
42.56 GPixel/s
Pixel Rate
17.14 GPixel/s
191.5 GTexel/s
Texture Rate
34.27 GTexel/s
6.129 TFLOPS
FP16 (half)
1097 GFLOPS
6.129 TFLOPS
FP32 (float)
1097 GFLOPS
383.0 GFLOPS
FP64 (double)
68.54 GFLOPS
Board Design
185W
TDP
50W
450 W
Suggested PSU
250 W
1x HDMI 2.0b
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
1x 8-pin
Power Connectors
None
Graphics Processor
Polaris 20
GPU Name
Baffin
Polaris 20 XTX
(215-0910038)
GPU Variant
Baffin LE
GCN 4.0
Architecture
GCN 4.0
GlobalFoundries
Foundry
GlobalFoundries
14 nm
Process Size
14 nm
5.7 billion
Transistors
3 billion
232 mm²
Die Size
123 mm²
Graphics Features
12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2
6.4
Shader Model
6.4
