ATI Radeon HD 4870 Mac Edition vs ATI Radeon HD 2400

VS

ATI Radeon HD 4870 Mac Edition ATI Radeon HD 2400

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 256MB VRAM ATI Radeon HD 2400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 Mac Edition 's Advantages

Released 11 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (108.8GB/s vs 7.920GB/s)

760 additional rendering cores

ATI Radeon HD 2400 's Advantages

Lower TDP (20W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +3650%

1.2 TFLOPS

ATI Radeon HD 2400

0.032 TFLOPS

Radeon HD 4870 Mac Edition

VS

ATI Radeon HD 2400

Graphics Card

Jan 2009

Release Date

Feb 2008

Radeon R700

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

495 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

108.8GB/s

Bandwidth

7.920GB/s

Render Config

-

SM Count

-

10

Compute Units

2

800

Shading Units

40

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

1.592 GPixel/s

30.00 GTexel/s

Texture Rate

1.592 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

31.84 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Graphics Processor

RV770

GPU Name

RV610

RV770 XT Mac (215-0669080)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.956 billion

Transistors

0.18 billion

256 mm²

Die Size

85 mm²

Board Design

150W

TDP

20W

450 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

1x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

4.0

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