ATI Radeon HD 4450 vs AMD Radeon R9 285X

VS

ATI Radeon HD 4450

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4450 and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4450 's Advantages

Lower TDP (25W vs 200W)

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 6.400GB/s)

1968 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4450

0.096 TFLOPS

Radeon R9 285X +4175%

4.104 TFLOPS

Radeon HD 4450

VS

Radeon R9 285X

Graphics Card

Nov 2011

Release Date

Unknown

Radeon R700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

400 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

3GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

6.400GB/s

Bandwidth

264.0GB/s

Render Config

1

Compute Units

32

-

80

Shading Units

2048

8

TMUs

128

4

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

768 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

32.06 GPixel/s

4.800 GTexel/s

Texture Rate

128.3 GTexel/s

-

96.00 GFLOPS

FP32 (float)

4.104 TFLOPS

-

Board Design

25W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV710

GPU Name

Tonga

RV710 (215-0725016)

GPU Variant

Tonga XT (215-0851313)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.242 billion

Transistors

5 billion

73 mm²

Die Size

366 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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