AMD Radeon HD 8490 OEM vs AMD Radeon HD 7670 OEM

VS

AMD Radeon HD 8490 OEM

AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 512MB VRAM Radeon HD 7670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8490 OEM 's Advantages

Released 1 years and 6 months late

More VRAM (1024GB vs 512GB)

Lower TDP (35W vs 66W)

AMD Radeon HD 7670 OEM 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon HD 7670 OEM +174%

0.768 TFLOPS

Radeon HD 8490 OEM

VS

Radeon HD 7670 OEM

Graphics Card

Jul 2013

Release Date

Jan 2012

Sea Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

64.00GB/s

Render Config

2

Compute Units

6

-

160

Shading Units

480

8

TMUs

24

4

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

6.400 GPixel/s

7.000 GTexel/s

Texture Rate

19.20 GTexel/s

-

280.0 GFLOPS

FP32 (float)

768.0 GFLOPS

-

Board Design

35W

TDP

66W

200 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Turks

Caicos XTX

GPU Variant

Turks XT (215-0803000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 mm²

Die Size

118 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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