AMD Radeon RX 550X 640SP vs AMD Radeon RX 470

VS

AMD Radeon RX 550X 640SP

AMD Radeon RX 470

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550X 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 550X 640SP 's Advantages

Released 1 years and 8 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 550X 640SP

1.371 TFLOPS

Radeon RX 470 +260%

4.94 TFLOPS

Radeon RX 550X 640SP

VS

Radeon RX 470

Graphics Card

Apr 2018

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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