AMD Radeon HD 8490 OEM vs ATI Radeon HD 5870 Eyefinity 6

VS

AMD Radeon HD 8490 OEM

ATI Radeon HD 5870 Eyefinity 6

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 2GB VRAM Radeon HD 5870 Eyefinity 6 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 3 years and 4 months late

Lower TDP (35W vs 228W)

ATI Radeon HD 5870 Eyefinity 6 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

1440 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM

0.28 TFLOPS

Radeon HD 5870 Eyefinity 6 +871%

2.72 TFLOPS

Radeon HD 8490 OEM

VS

Radeon HD 5870 Eyefinity 6

Graphics Card

Jul 2013

Release Date

Mar 2010

Sea Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

153.6GB/s

Render Config

2

Compute Units

20

-

160

Shading Units

1600

8

TMUs

80

4

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

27.20 GPixel/s

7.000 GTexel/s

Texture Rate

68.00 GTexel/s

-

280.0 GFLOPS

FP32 (float)

2.720 TFLOPS

-

FP64 (double)

544.0 GFLOPS

Board Design

35W

TDP

228W

200 W

Suggested PSU

550 W

1x DVI 1x DisplayPort 1.1

Outputs

6x mini-DisplayPort 1.1

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Caicos

GPU Name

Cypress

Caicos XTX

GPU Variant

Cypress XT (215-0735033)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

2.154 billion

67 mm²

Die Size

334 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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