NVIDIA GeForce 7800 GTX 512 vs ATI Radeon HD 3830

VS

NVIDIA GeForce 7800 GTX 512

ATI Radeon HD 3830

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 256MB VRAM Radeon HD 3830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 7800 GTX 512 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 26.50GB/s)

ATI Radeon HD 3830 's Advantages

Released 2 years and 5 months late

320 additional rendering cores

Lower TDP (75W vs 108W)

Score

GeForce 7800 GTX 512

VS

Radeon HD 3830

Graphics Card

Nov 2005

Release Date

Apr 2008

GeForce 7 PCIe

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

828 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

26.50GB/s

Render Config

-

Compute Units

4

-

Shading Units

320

24

TMUs

16

ROPs

16

-

L2 Cache

128 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

10.69 GPixel/s

12.00 GTexel/s

Texture Rate

10.69 GTexel/s

-

FP32 (float)

427.5 GFLOPS

-

FP64 (double)

85.50 GFLOPS

Board Design

108W

TDP

75W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

No outputs

-

Power Connectors

1x 6-pin

Graphics Processor

G70

GPU Name

RV670

GF-7800-GTX-512-A2

GPU Variant

RV670 PRO (215-0708003)

Curie

Architecture

TeraScale

TSMC

Foundry

TSMC

110 nm

Process Size

55 nm

0.302 billion

Transistors

0.666 billion

333 mm²

Die Size

192 mm²

Graphics Features

9.0c (9_3)

DirectX

10.1 (10_1)

2.1

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

3.0

Shader Model

4.1

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