AMD Radeon HD 8490 OEM vs AMD Radeon RX 580G

VS

AMD Radeon HD 8490 OEM

AMD Radeon RX 580G

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 8GB VRAM Radeon RX 580G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 185W)

AMD Radeon RX 580G 's Advantages

Released 5 years and 3 months late

Boost Clock1330MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)

2144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon RX 580G +2088%

6.129 TFLOPS

Radeon HD 8490 OEM

VS

Radeon RX 580G

Graphics Card

Jul 2013

Release Date

Oct 2018

Sea Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1257 MHz

-

Boost Clock

1330 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

256.0GB/s

Render Config

2

Compute Units

36

-

160

Shading Units

2304

8

TMUs

144

4

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

2 MB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

42.56 GPixel/s

7.000 GTexel/s

Texture Rate

191.5 GTexel/s

-

FP16 (half)

6.129 TFLOPS

280.0 GFLOPS

FP32 (float)

6.129 TFLOPS

-

FP64 (double)

383.0 GFLOPS

Board Design

35W

TDP

185W

200 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.1

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Caicos

GPU Name

Polaris 20

Caicos XTX

GPU Variant

Polaris 20 XTX (215-0910038)

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.37 billion

Transistors

5.7 billion

67 mm²

Die Size

232 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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