ATI Radeon HD 5770 vs AMD Radeon Sky 500

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 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 5770 's Advantages

Lower TDP (108W vs 150W)

AMD Radeon Sky 500 's Advantages

Released 3 years and 5 months late

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (153.6GB/s vs 76.80GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770

1.36 TFLOPS

Radeon Sky 500 +78%

2.432 TFLOPS

Radeon HD 5770

VS

Radeon Sky 500

Graphics Card

Oct 2009

Release Date

Mar 2013

Evergreen

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.80GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

10

Compute Units

20

800

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

30.40 GPixel/s

34.00 GTexel/s

Texture Rate

76.00 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

2.432 TFLOPS

-

FP64 (double)

152.0 GFLOPS

Graphics Processor

Juniper

GPU Name

Pitcairn

Juniper XT (215-0754013)

GPU Variant

Pitcairn XT GL (215-0828073)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.8 billion

166 mm²

Die Size

212 mm²

Board Design

108W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DisplayPort 1.2

1x 6-pin

Power Connectors

1x 6-pin

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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