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

VS

AMD Radeon RX 470D AMD Radeon 550X 640SP

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

Main Differences

AMD Radeon RX 470D 's Advantages

Boost Clock has increased by 13% (1206MHz vs 1071MHz)

Larger VRAM bandwidth (211.2GB/s vs 48.00GB/s)

1152 additional rendering cores

AMD Radeon 550X 640SP 's Advantages

Released 1 years and 6 months late

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX 470D +215%

4.322 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Radeon RX 470D

VS

Radeon 550X 640SP

Graphics Card

Oct 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

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

211.2GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

28

Compute Units

10

1792

Shading Units

640

112

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

38.59 GPixel/s

Pixel Rate

17.14 GPixel/s

135.1 GTexel/s

Texture Rate

42.84 GTexel/s

4.322 TFLOPS

FP16 (half)

1371 GFLOPS

4.322 TFLOPS

FP32 (float)

1371 GFLOPS

270.1 GFLOPS

FP64 (double)

85.68 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Lexa

Polaris 10 PROD

GPU Variant

Lexa PRO (215-0904018)

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

5.7 billion

Transistors

2.2 billion

232 mm²

Die Size

103 mm²

Board Design

120W

TDP

50W

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 Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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