AMD Radeon Sky 500 vs ATI Radeon HD 5670

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon Sky 500 and 1024MB VRAM Radeon HD 5670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 500 's Advantages

Released 3 years and 2 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 64.00GB/s)

880 additional rendering cores

ATI Radeon HD 5670 's Advantages

Lower TDP (64W vs 150W)

Score

Benchmark

FP32 (float)

Radeon Sky 500 +292%

2.432 TFLOPS

Radeon HD 5670

0.62 TFLOPS

Radeon Sky 500

VS

Radeon HD 5670

Graphics Card

Mar 2013

Release Date

Jan 2010

Radeon Sky

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

20

Compute Units

5

1280

Shading Units

400

80

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

30.40 GPixel/s

Pixel Rate

6.200 GPixel/s

76.00 GTexel/s

Texture Rate

15.50 GTexel/s

-

FP16 (half)

-

2.432 TFLOPS

FP32 (float)

620.0 GFLOPS

152.0 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

Redwood

Pitcairn XT GL (215-0828073)

GPU Variant

Redwood XT (215-0757002)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.627 billion

212 mm²

Die Size

104 mm²

Board Design

150W

TDP

64W

450 W

Suggested PSU

250 W

1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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