AMD Radeon R9 285X vs AMD Radeon HD 7670 OEM

VS

AMD Radeon R9 285X AMD Radeon HD 7670 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 512MB VRAM Radeon HD 7670 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 64.00GB/s)

1568 additional rendering cores

AMD Radeon HD 7670 OEM 's Advantages

Lower TDP (66W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +434%

4.104 TFLOPS

Radeon HD 7670 OEM

0.768 TFLOPS

Radeon R9 285X

VS

Radeon HD 7670 OEM

Graphics Card

Unknown

Release Date

Jan 2012

Volcanic Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

32

Compute Units

6

2048

Shading Units

480

128

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

32.06 GPixel/s

Pixel Rate

6.400 GPixel/s

128.3 GTexel/s

Texture Rate

19.20 GTexel/s

-

FP16 (half)

-

4.104 TFLOPS

FP32 (float)

768.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Tonga

GPU Name

Turks

Tonga XT (215-0851313)

GPU Variant

Turks XT (215-0803000)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.716 billion

366 mm²

Die Size

118 mm²

Board Design

200W

TDP

66W

550 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x DisplayPort 1.1 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

5.0

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