Radeon RX 470 vs Radeon RX 550X 640SP
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 470 and 2GB VRAM Radeon RX 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 470 's Advantages
Boost Clock has increased by 13% (1206MHz vs 1071MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (211.2GB/s vs 96.00GB/s)
1408 additional rendering cores
Radeon RX 550X 640SP 's Advantages
Released 1 years and 8 months late
Lower TDP (60W vs 120W)
Score
Benchmark
FP32 (float)
Radeon RX 470
+260%
4940
Radeon RX 550X 640SP
1371
Graphics Card
Aug 2016
Release Date
Apr 2018
Arctic Islands
Generation
Polaris
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
926 MHz
Base Clock
1019 MHz
1206 MHz
Boost Clock
1071 MHz
1650 MHz
Memory Clock
1500 MHz
Memory
4GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
211.2GB/s
Bandwidth
96.00GB/s
Render Config
32
Compute Units
10
2048
Shading Units
640
128
TMUs
40
32
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
1024 KB
Theoretical Performance
38.59 GPixel/s
Pixel Rate
17.14 GPixel/s
154.4 GTexel/s
Texture Rate
42.84 GTexel/s
4.940 TFLOPS
FP16 (half)
1371 GFLOPS
4.940 TFLOPS
FP32 (float)
1371 GFLOPS
308.7 GFLOPS
FP64 (double)
85.68 GFLOPS
Board Design
120W
TDP
60W
300 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 6-pin
Power Connectors
None
Graphics Processor
Ellesmere
GPU Name
Baffin
Polaris 10 PRO
(215-0876204)
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
