ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTX 260 OEM

VS

ATI Radeon HD 4870 Mac Edition NVIDIA GeForce GTX 260 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 1792MB VRAM GeForce GTX 260 OEM 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

608 additional rendering cores

Lower TDP (150W vs 182W)

NVIDIA GeForce GTX 260 OEM 's Advantages

Released 11 months late

More VRAM (1792GB vs 512GB)

Larger VRAM bandwidth (112.9GB/s vs 108.8GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +189%

1.2 TFLOPS

GeForce GTX 260 OEM

0.415 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GTX 260 OEM

Graphics Card

Jan 2009

Release Date

Dec 2009

Radeon R700

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

850 MHz

Memory Clock

1008 MHz

Memory

512MB

Memory Size

1792MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

448bit

108.8GB/s

Bandwidth

112.9GB/s

Render Config

-

SM Count

24

10

Compute Units

-

800

Shading Units

192

40

TMUs

64

16

ROPs

28

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

14.50 GPixel/s

30.00 GTexel/s

Texture Rate

33.15 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

414.7 GFLOPS

240.0 GFLOPS

FP64 (double)

51.84 GFLOPS

Graphics Processor

RV770

GPU Name

GT200B

RV770 XT Mac (215-0669080)

GPU Variant

G200-103-B2

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

1.4 billion

256 mm²

Die Size

470 mm²

Board Design

150W

TDP

182W

450 W

Suggested PSU

450 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

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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