ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTX 280

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 1024MB VRAM GeForce GTX 280 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 7 months late

560 additional rendering cores

Lower TDP (150W vs 236W)

NVIDIA GeForce GTX 280 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (141.7GB/s vs 108.8GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +92%

1.2 TFLOPS

GeForce GTX 280

0.622 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GTX 280

Graphics Card

Jan 2009

Release Date

Jun 2008

Radeon R700

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

1107 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

108.8GB/s

Bandwidth

141.7GB/s

Render Config

10

Compute Units

-

SM Count

30

800

Shading Units

240

40

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

19.26 GPixel/s

30.00 GTexel/s

Texture Rate

48.16 GTexel/s

-

1200 GFLOPS

FP32 (float)

622.1 GFLOPS

240.0 GFLOPS

FP64 (double)

77.76 GFLOPS

Board Design

150W

TDP

236W

450 W

Suggested PSU

550 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV770

GPU Name

GT200

RV770 XT Mac (215-0669080)

GPU Variant

G200-300-A2

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.956 billion

Transistors

1.4 billion

256 mm²

Die Size

576 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

4.1

Shader Model

4.0

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