ATI Radeon HD 5770 Mac Edition vs AMD Radeon HD 6870

VS

ATI Radeon HD 5770 Mac Edition AMD Radeon HD 6870

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 Mac Edition and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5770 Mac Edition 's Advantages

Lower TDP (108W vs 151W)

AMD Radeon HD 6870 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 76.48GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5770 Mac Edition

1.36 TFLOPS

Radeon HD 6870 +48%

2.016 TFLOPS

Radeon HD 5770 Mac Edition

VS

Radeon HD 6870

Graphics Card

Jul 2010

Release Date

Oct 2010

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1195 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

76.48GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

10

Compute Units

14

800

Shading Units

1120

40

TMUs

56

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

28.80 GPixel/s

34.00 GTexel/s

Texture Rate

50.40 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

2.016 TFLOPS

-

FP64 (double)

-

Graphics Processor

Juniper

GPU Name

Barts

Juniper XT (215-0754013)

GPU Variant

Barts XT (215-0798000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

1.7 billion

166 mm²

Die Size

255 mm²

Board Design

108W

TDP

151W

300 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1.1

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

5.0

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