AMD Radeon HD 8490 OEM vs AMD Radeon HD 8450 OEM

VS

AMD Radeon HD 8490 OEM

AMD Radeon HD 8450 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8490 OEM and 1024MB VRAM Radeon HD 8450 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 6 months late

Larger VRAM bandwidth (14.40GB/s vs 10.67GB/s)

AMD Radeon HD 8450 OEM 's Advantages

Lower TDP (18W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 8490 OEM +40%

0.28 TFLOPS

Radeon HD 8450 OEM

0.2 TFLOPS

Radeon HD 8490 OEM

VS

Radeon HD 8450 OEM

Graphics Card

Jul 2013

Release Date

Jan 2013

Sea Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

667 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

10.67GB/s

Render Config

2

Compute Units

2

-

160

Shading Units

160

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.500 GPixel/s

Pixel Rate

2.500 GPixel/s

7.000 GTexel/s

Texture Rate

5.000 GTexel/s

-

280.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

35W

TDP

18W

200 W

Suggested PSU

200 W

1x DVI 1x DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Caicos

Caicos XTX

GPU Variant

Caicos PRO-L

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.37 billion

67 mm²

Die Size

67 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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