ATI Radeon HD 5870 Mac Edition vs ATI Radeon HD 4870 Mac Edition

VS

ATI Radeon HD 5870 Mac Edition ATI Radeon HD 4870 Mac Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 Mac Edition and 512MB VRAM Radeon HD 4870 Mac Edition 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

Released 1 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.0GB/s vs 108.8GB/s)

800 additional rendering cores

ATI Radeon HD 4870 Mac Edition 's Advantages

Lower TDP (150W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Mac Edition +126%

2.72 TFLOPS

Radeon HD 4870 Mac Edition

1.2 TFLOPS

Radeon HD 5870 Mac Edition

VS

Radeon HD 4870 Mac Edition

Graphics Card

Jun 2010

Release Date

Jan 2009

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1195 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.0GB/s

Bandwidth

108.8GB/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

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

12.00 GPixel/s

68.00 GTexel/s

Texture Rate

30.00 GTexel/s

-

FP16 (half)

-

2.720 TFLOPS

FP32 (float)

1200 GFLOPS

544.0 GFLOPS

FP64 (double)

240.0 GFLOPS

Graphics Processor

Cypress

GPU Name

RV770

Cypress XT (215-0735033)

GPU Variant

RV770 XT Mac (215-0669080)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.154 billion

Transistors

0.956 billion

334 mm²

Die Size

256 mm²

Board Design

228W

TDP

150W

550 W

Suggested PSU

450 W

1x DVI 2x mini-DisplayPort 1.1

Outputs

1x DVI 1x mini-DisplayPort 1.0

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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