ATI Radeon HD 3470 vs AMD Radeon HD 6930

VS

ATI Radeon HD 3470

AMD Radeon HD 6930

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 1024MB VRAM Radeon HD 6930 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 186W)

AMD Radeon HD 6930 's Advantages

Released 3 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 15.20GB/s)

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

Radeon HD 6930 +2900%

1.92 TFLOPS

Radeon HD 3470

VS

Radeon HD 6930

Graphics Card

Jan 2008

Release Date

Dec 2011

Radeon R600

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

950 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

15.20GB/s

Bandwidth

153.6GB/s

Render Config

2

Compute Units

20

-

40

Shading Units

1280

4

TMUs

80

4

ROPs

32

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

24.00 GPixel/s

3.200 GTexel/s

Texture Rate

60.00 GTexel/s

-

64.00 GFLOPS

FP32 (float)

1.920 TFLOPS

-

FP64 (double)

480.0 GFLOPS

Board Design

30W

TDP

186W

200 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

RV620

GPU Name

Cayman

RV620 PRO (215-0670006)

GPU Variant

Cayman CE (215-0807105)

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

2.64 billion

67 mm²

Die Size

389 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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