AMD Radeon RX 550 640SP vs AMD Radeon HD 8470 OEM

VS

AMD Radeon RX 550 640SP AMD Radeon HD 8470 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 550 640SP and 1024MB VRAM Radeon HD 8470 OEM 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 4 years and 9 months late

Boost Clock1071MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (96.00GB/s vs 25.60GB/s)

480 additional rendering cores

AMD Radeon HD 8470 OEM 's Advantages

Lower TDP (35W vs 60W)

Score

Benchmark

FP32 (float)

Radeon RX 550 640SP +452%

1.371 TFLOPS

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon RX 550 640SP

VS

Radeon HD 8470 OEM

Graphics Card

Oct 2017

Release Date

Jan 2013

Polaris

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1019 MHz

Base Clock

-

1071 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

10

Compute Units

2

640

Shading Units

160

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

Theoretical Performance

17.14 GPixel/s

Pixel Rate

3.100 GPixel/s

42.84 GTexel/s

Texture Rate

6.200 GTexel/s

1371 GFLOPS

FP16 (half)

-

1371 GFLOPS

FP32 (float)

248.0 GFLOPS

85.68 GFLOPS

FP64 (double)

-

Graphics Processor

Baffin

GPU Name

Caicos

Baffin LE

GPU Variant

Caicos XT (215-0804070)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

0.37 billion

123 mm²

Die Size

67 mm²

Board Design

60W

TDP

35W

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.4

Shader Model

5.0

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