AMD Radeon RX 480 vs AMD Radeon HD 8490 OEM

VS

AMD Radeon RX 480

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 480 and 1024MB VRAM Radeon HD 8490 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 480 's Advantages

Released 2 years and 11 months late

Boost Clock1266MHz

More VRAM (8GB vs 1024GB)

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

2144 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 150W)

Score

Benchmark

FP32 (float)

Radeon RX 480 +1983%

5.834 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon RX 480

VS

Radeon HD 8490 OEM

Graphics Card

Jun 2016

Release Date

Jul 2013

Arctic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

2000 MHz

Memory Clock

900 MHz

Memory

8GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

256.0GB/s

Bandwidth

14.40GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

160

144

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

128 KB

-

Theoretical Performance

40.51 GPixel/s

Pixel Rate

3.500 GPixel/s

182.3 GTexel/s

Texture Rate

7.000 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

280.0 GFLOPS

364.6 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

35W

450 W

Suggested PSU

200 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x DisplayPort 1.1

1x 6-pin

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Caicos

Polaris 10 XT (215-0876184)

GPU Variant

Caicos XTX

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.37 billion

232 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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