ATI Radeon HD 3830 vs AMD Radeon Sky 500

VS

ATI Radeon HD 3830

AMD Radeon Sky 500

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 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 3830 's Advantages

Lower TDP (75W vs 150W)

AMD Radeon Sky 500 's Advantages

Released 4 years and 11 months late

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 26.50GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3830

0.428 TFLOPS

Radeon Sky 500 +468%

2.432 TFLOPS

Radeon HD 3830

VS

Radeon Sky 500

Graphics Card

Apr 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

-

828 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

26.50GB/s

Bandwidth

153.6GB/s

Render Config

4

Compute Units

20

-

320

Shading Units

1280

16

TMUs

80

16

ROPs

32

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

30.40 GPixel/s

10.69 GTexel/s

Texture Rate

76.00 GTexel/s

-

427.5 GFLOPS

FP32 (float)

2.432 TFLOPS

85.50 GFLOPS

FP64 (double)

152.0 GFLOPS

Board Design

75W

TDP

150W

250 W

Suggested PSU

450 W

No outputs

Outputs

1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV670

GPU Name

Pitcairn

RV670 PRO (215-0708003)

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

2.8 billion

192 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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