AMD Radeon HD 6450 OEM vs AMD Radeon R9 285X

VS

AMD Radeon HD 6450 OEM AMD Radeon R9 285X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 200W)

AMD Radeon R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 8.528GB/s)

1888 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon R9 285X +1952%

4.104 TFLOPS

Radeon HD 6450 OEM

VS

Radeon R9 285X

Graphics Card

Feb 2011

Release Date

Unknown

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

533 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

8.528GB/s

Bandwidth

264.0GB/s

Render Config

-

SM Count

-

2

Compute Units

32

160

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

768 KB

Theoretical Performance

2.500 GPixel/s

Pixel Rate

32.06 GPixel/s

5.000 GTexel/s

Texture Rate

128.3 GTexel/s

-

FP16 (half)

-

200.0 GFLOPS

FP32 (float)

4.104 TFLOPS

-

FP64 (double)

-

Graphics Processor

Caicos

GPU Name

Tonga

Junbonator

GPU Variant

Tonga XT (215-0851313)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.37 billion

Transistors

5 billion

67 mm²

Die Size

366 mm²

Board Design

18W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.3

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