ATI Radeon HD 4870 Mac Edition vs NVIDIA GeForce GTS 240 OEM

VS

ATI Radeon HD 4870 Mac Edition

NVIDIA GeForce GTS 240 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 Mac Edition and 1024MB VRAM GeForce GTS 240 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

Larger VRAM bandwidth (108.8GB/s vs 70.40GB/s)

688 additional rendering cores

NVIDIA GeForce GTS 240 OEM 's Advantages

Released 6 months late

More VRAM (1024GB vs 512GB)

Lower TDP (120W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 Mac Edition +230%

1.2 TFLOPS

GeForce GTS 240 OEM

0.363 TFLOPS

Radeon HD 4870 Mac Edition

VS

GeForce GTS 240 OEM

Graphics Card

Jan 2009

Release Date

Jul 2009

Radeon R700

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

850 MHz

Memory Clock

1100 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

108.8GB/s

Bandwidth

70.40GB/s

Render Config

10

Compute Units

-

SM Count

14

800

Shading Units

112

40

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

10.80 GPixel/s

30.00 GTexel/s

Texture Rate

37.80 GTexel/s

-

1200 GFLOPS

FP32 (float)

362.9 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

120W

450 W

Suggested PSU

300 W

1x DVI 1x mini-DisplayPort 1.0

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV770

GPU Name

G92B

RV770 XT Mac (215-0669080)

GPU Variant

G92-240-B1

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.754 billion

256 mm²

Die Size

260 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

1.1

4.1

Shader Model

4.0

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