Home GPU Comparison AMD Radeon RX 550 640SP vs AMD Radeon RX 470

AMD Radeon RX 550 640SP vs AMD Radeon RX 470

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 4GB VRAM Radeon RX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 550 640SP 's Advantages
Released 1 years and 2 months late
Lower TDP (60W vs 120W)
AMD 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

Score

Benchmark

FP32 (float)
Radeon RX 550 640SP
1.371 TFLOPS
Radeon RX 470 +260%
4.94 TFLOPS
VS

Graphics Card

Oct 2017
Release Date
Aug 2016
Polaris
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16

Clock Speeds

1019 MHz
Base Clock
926 MHz
1071 MHz
Boost Clock
1206 MHz
1500 MHz
Memory Clock
1650 MHz

Memory

2GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
96.00GB/s
Bandwidth
211.2GB/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
38.59 GPixel/s
42.84 GTexel/s
Texture Rate
154.4 GTexel/s
1371 GFLOPS
FP16 (half)
4.940 TFLOPS
1371 GFLOPS
FP32 (float)
4.940 TFLOPS
85.68 GFLOPS
FP64 (double)
308.7 GFLOPS

Board Design

60W
TDP
120W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
Outputs
1x HDMI 2.0b 3x DisplayPort 1.4a
None
Power Connectors
1x 6-pin

Graphics Processor

Baffin
GPU Name
Ellesmere
Baffin LE
GPU Variant
Polaris 10 PRO (215-0876204)
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

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