ATI Radeon HD 3470 vs AMD Radeon R9 285X

VS

ATI Radeon HD 3470

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 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 3470 's Advantages

Lower TDP (30W vs 200W)

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 15.20GB/s)

2008 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

Radeon R9 285X +6312%

4.104 TFLOPS

Radeon HD 3470

VS

Radeon R9 285X

Graphics Card

Jan 2008

Release Date

Unknown

Radeon R600

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

950 MHz

Memory Clock

1375 MHz

Memory

256MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

384bit

15.20GB/s

Bandwidth

264.0GB/s

Render Config

2

Compute Units

32

-

40

Shading Units

2048

4

TMUs

128

4

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

768 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

32.06 GPixel/s

3.200 GTexel/s

Texture Rate

128.3 GTexel/s

-

64.00 GFLOPS

FP32 (float)

4.104 TFLOPS

-

Board Design

30W

TDP

200W

200 W

Suggested PSU

550 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV620

GPU Name

Tonga

RV620 PRO (215-0670006)

GPU Variant

Tonga XT (215-0851313)

TeraScale

Architecture

GCN 3.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

5 billion

67 mm²

Die Size

366 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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