ATI Radeon HD 3870 Mac Edition vs NVIDIA GeForce 7950 GT AGP

VS

ATI Radeon HD 3870 Mac Edition

NVIDIA GeForce 7950 GT AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 512MB VRAM GeForce 7950 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (72.06GB/s vs 38.40GB/s)

320 additional rendering cores

NVIDIA GeForce 7950 GT AGP 's Advantages

Lower TDP (65W vs 106W)

Score

Radeon HD 3870 Mac Edition

VS

GeForce 7950 GT AGP

Graphics Card

Jun 2008

Release Date

Apr 2007

Radeon R600

Generation

GeForce 7 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

1126 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

512MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

256bit

72.06GB/s

Bandwidth

38.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

24

16

ROPs

16

-

256 KB

L2 Cache

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

8.000 GPixel/s

12.43 GTexel/s

Texture Rate

12.00 GTexel/s

-

497.3 GFLOPS

FP32 (float)

-

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

65W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x Molex

Graphics Processor

RV670

GPU Name

G71

RV670 XT (215-0708005)

GPU Variant

G71-GT2-H-N-A2

TeraScale

Architecture

Curie

TSMC

Foundry

TSMC

55 nm

Process Size

90 nm

0.666 billion

Transistors

0.278 billion

192 mm²

Die Size

196 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3 (full) 4.0 (partial)

OpenGL

2.1

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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