ATI Radeon HD 5870 Mac Edition vs AMD Radeon HD 6770

VS

ATI Radeon HD 5870 Mac Edition AMD Radeon HD 6770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 1024MB VRAM Radeon HD 6770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 Mac Edition 's Advantages

Larger VRAM bandwidth (153.0GB/s vs 76.80GB/s)

800 additional rendering cores

AMD Radeon HD 6770 's Advantages

Released 7 months late

Lower TDP (108W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition +100%

2.72 TFLOPS

Radeon HD 6770

1.36 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 6770

Graphics Card

Jun 2010

Release Date

Jan 2011

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

1200 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.0GB/s

Bandwidth

76.80GB/s

Render Config

-

SM Count

-

20

Compute Units

10

1600

Shading Units

800

80

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

13.60 GPixel/s

68.00 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

1360 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Graphics Processor

Cypress

GPU Name

Juniper

Cypress XT (215-0735033)

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.04 billion

334 mm²

Die Size

166 mm²

Board Design

228W

TDP

108W

550 W

Suggested PSU

300 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

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

2x 6-pin

Power Connectors

1x 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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