AMD Radeon Sky 700 vs ATI Radeon HD 3470

VS

AMD Radeon Sky 700

ATI Radeon HD 3470

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 256MB VRAM Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

Released 5 years and 2 months late

More VRAM (6GB vs 256GB)

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

1752 additional rendering cores

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 225W)

Score

Benchmark

FP32 (float)

Radeon Sky 700 +4940%

3.226 TFLOPS

Radeon HD 3470

0.064 TFLOPS

Radeon Sky 700

VS

Radeon HD 3470

Graphics Card

Mar 2013

Release Date

Jan 2008

Radeon Sky

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

950 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

15.20GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

40

112

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

3.200 GPixel/s

100.8 GTexel/s

Texture Rate

3.200 GTexel/s

-

3.226 TFLOPS

FP32 (float)

64.00 GFLOPS

806.4 GFLOPS

FP64 (double)

-

Board Design

225W

TDP

30W

550 W

Suggested PSU

200 W

1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

RV620

Tahiti PRO GL

GPU Variant

RV620 PRO (215-0670006)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.181 billion

352 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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