AMD Radeon Sky 500 vs ATI Radeon X1550 PCI

VS

We compared two Desktop platform GPUs: 4GB VRAM Radeon Sky 500 and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 500 's Advantages

Released 6 years and 2 months late

Larger VRAM bandwidth (153.6GB/s vs 4.256GB/s)

1280 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 150W)

Score

Radeon Sky 500

VS

Radeon X1550 PCI

Graphics Card

Mar 2013

Release Date

Jan 2007

Radeon Sky

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

266 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

4.256GB/s

Render Config

-

SM Count

-

20

Compute Units

-

1280

Shading Units

-

80

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

1.808 GPixel/s

76.00 GTexel/s

Texture Rate

1.808 GTexel/s

-

FP16 (half)

-

2.432 TFLOPS

FP32 (float)

-

152.0 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

RV516

Pitcairn XT GL (215-0828073)

GPU Variant

-

GCN 1.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.107 billion

212 mm²

Die Size

100 mm²

Board Design

150W

TDP

27W

450 W

Suggested PSU

200 W

1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

3.0

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