AMD Radeon R9 290X vs AMD Radeon HD 8450 OEM

VS

AMD Radeon R9 290X

AMD Radeon HD 8450 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290X 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 R9 290X 's Advantages

Released 9 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 10.67GB/s)

2656 additional rendering cores

AMD Radeon HD 8450 OEM 's Advantages

Lower TDP (18W vs 290W)

Score

Benchmark

FP32 (float)

Radeon R9 290X +2716%

5.632 TFLOPS

Radeon HD 8450 OEM

0.2 TFLOPS

Radeon R9 290X

VS

Radeon HD 8450 OEM

Graphics Card

Oct 2013

Release Date

Jan 2013

Volcanic Islands

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

667 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

512bit

Memory Bus

64bit

320.0GB/s

Bandwidth

10.67GB/s

Render Config

44

Compute Units

2

-

2816

Shading Units

160

176

TMUs

8

64

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

128 KB

-

Theoretical Performance

64.00 GPixel/s

Pixel Rate

2.500 GPixel/s

176.0 GTexel/s

Texture Rate

5.000 GTexel/s

-

5.632 TFLOPS

FP32 (float)

200.0 GFLOPS

704.0 GFLOPS

FP64 (double)

-

Board Design

290W

TDP

18W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Hawaii

GPU Name

Caicos

Hawaii XT (215-0852000)

GPU Variant

Caicos PRO-L

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.37 billion

438 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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