AMD Radeon R9 285X vs AMD Radeon R7 450 OEM

VS

AMD Radeon R9 285X

AMD Radeon R7 450 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 2GB VRAM Radeon R7 450 OEM 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 2GB)

Larger VRAM bandwidth (264.0GB/s vs 72.00GB/s)

1536 additional rendering cores

AMD Radeon R7 450 OEM 's Advantages

Lower TDP (65W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +333%

4.104 TFLOPS

Radeon R7 450 OEM

0.947 TFLOPS

Radeon R9 285X

VS

Radeon R7 450 OEM

Graphics Card

Unknown

Release Date

Jun 2016

Volcanic Islands

Generation

Arctic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1125 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

72.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

14.80 GPixel/s

128.3 GTexel/s

Texture Rate

29.60 GTexel/s

-

4.104 TFLOPS

FP32 (float)

947.2 GFLOPS

-

FP64 (double)

59.20 GFLOPS

Board Design

200W

TDP

65W

550 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

Cape Verde

Tonga XT (215-0851313)

GPU Variant

Cape Verde PRO2

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.5 billion

366 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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