Radeon RX 550 640SP vs Radeon RX 570
We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 4GB VRAM Radeon RX 570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 550 640SP Advantages
Released 6 months late
Lower TDP (60W vs 150W)
Radeon RX 570 Advantages
Boost Clock has increased by 16% (1244MHz vs 1071MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 96.00GB/s)
1408 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 550 640SP
1371
Radeon RX 570
+271%
5095
Graphics Card
Oct 2017
Release Date
Apr 2017
Polaris
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1019 MHz
Base Clock
1168 MHz
1071 MHz
Boost Clock
1244 MHz
1500 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
224.0GB/s
Render Config
10
Compute Units
32
640
Shading Units
2048
40
TMUs
128
16
ROPs
32
16 KB (per CU)
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
2 MB
Theoretical Performance
17.14 GPixel/s
Pixel Rate
39.81 GPixel/s
42.84 GTexel/s
Texture Rate
159.2 GTexel/s
1371 GFLOPS
FP16 (half)
5.095 TFLOPS
1371 GFLOPS
FP32 (float)
5.095 TFLOPS
85.68 GFLOPS
FP64 (double)
318.5 GFLOPS
Board Design
60W
TDP
150W
250 W
Suggested PSU
450 W
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
1x HDMI 2.0b
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 2.0b
3x DisplayPort 1.4a
1x HDMI 2.0b
3x DisplayPort 1.4a
None
Power Connectors
1x 6-pin
Graphics Processor
Baffin
GPU Name
Polaris 20
Baffin LE
GPU Variant
Polaris 20 XL
(215-0910052)
(215-0910052)
GCN 4.0
Architecture
GCN 4.0
GlobalFoundries
Foundry
GlobalFoundries
14 nm
Process Size
14 nm
3 billion
Transistors
5.7 billion
123 mm²
Die Size
232 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
