ATI Radeon HD 3470 vs AMD Radeon Sky 500

VS

ATI Radeon HD 3470

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 4GB VRAM Radeon Sky 500 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 150W)

AMD Radeon Sky 500 's Advantages

Released 5 years and 2 months late

More VRAM (4GB 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 Sky 500 +3700%

2.432 TFLOPS

Radeon HD 3470

VS

Radeon Sky 500

Graphics Card

Jan 2008

Release Date

Mar 2013

Radeon R600

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

950 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

4GB

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

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

30.40 GPixel/s

3.200 GTexel/s

Texture Rate

76.00 GTexel/s

-

64.00 GFLOPS

FP32 (float)

2.432 TFLOPS

-

FP64 (double)

152.0 GFLOPS

Board Design

30W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

RV620

GPU Name

Pitcairn

RV620 PRO (215-0670006)

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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