AMD Radeon R9 285X vs ATI Radeon HD 5450 PCI

VS

AMD Radeon R9 285X

ATI Radeon HD 5450 PCI

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 5.328GB/s)

1968 additional rendering cores

ATI Radeon HD 5450 PCI 's Advantages

Lower TDP (19W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +3846%

4.104 TFLOPS

Radeon HD 5450 PCI

0.104 TFLOPS

Radeon R9 285X

VS

Radeon HD 5450 PCI

Graphics Card

Unknown

Release Date

Feb 2010

Volcanic Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

-

1375 MHz

Memory Clock

333 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

5.328GB/s

Render Config

32

Compute Units

2

-

2048

Shading Units

80

128

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

2.600 GPixel/s

128.3 GTexel/s

Texture Rate

5.200 GTexel/s

-

4.104 TFLOPS

FP32 (float)

104.0 GFLOPS

-

Board Design

200W

TDP

19W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

Cedar

Tonga XT (215-0851313)

GPU Variant

Cedar PRO

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.292 billion

366 mm²

Die Size

59 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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