AMD Radeon RX 460 1024SP vs AMD Radeon HD 8490 OEM

VS

AMD Radeon RX 460 1024SP

AMD Radeon HD 8490 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 460 1024SP 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 460 1024SP 's Advantages

Released 3 years and 6 months late

Boost Clock1200MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (112.0GB/s vs 14.40GB/s)

864 additional rendering cores

AMD Radeon HD 8490 OEM 's Advantages

Lower TDP (35W vs 75W)

Score

Benchmark

FP32 (float)

Radeon RX 460 1024SP +777%

2.458 TFLOPS

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon RX 460 1024SP

VS

Radeon HD 8490 OEM

Graphics Card

Jan 2017

Release Date

Jul 2013

Arctic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1090 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1750 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

112.0GB/s

Bandwidth

14.40GB/s

Render Config

16

Compute Units

2

-

1024

Shading Units

160

64

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

19.20 GPixel/s

Pixel Rate

3.500 GPixel/s

76.80 GTexel/s

Texture Rate

7.000 GTexel/s

2.458 TFLOPS

FP16 (half)

-

2.458 TFLOPS

FP32 (float)

280.0 GFLOPS

153.6 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

35W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

None

Graphics Processor

Baffin

GPU Name

Caicos

Baffin XT

GPU Variant

Caicos XTX

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

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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