NVIDIA GeForce 7800 GTX 512 vs ATI Radeon HD 2900 GT

VS

NVIDIA GeForce 7800 GTX 512

ATI Radeon HD 2900 GT

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 256MB VRAM Radeon HD 2900 GT 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)

Lower TDP (108W vs 150W)

ATI Radeon HD 2900 GT 's Advantages

Released 2 years late

240 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon HD 2900 GT

Graphics Card

Nov 2005

Release Date

Nov 2007

GeForce 7 PCIe

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

3

-

Shading Units

240

24

TMUs

12

16

ROPs

12

-

L2 Cache

128 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

7.212 GPixel/s

12.00 GTexel/s

Texture Rate

7.212 GTexel/s

-

FP32 (float)

288.5 GFLOPS

-

Board Design

108W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

-

Power Connectors

1x 8-pin

Graphics Processor

G70

GPU Name

R600

GF-7800-GTX-512-A2

GPU Variant

R600 GT (215RGFDKA13FG)

Curie

Architecture

TeraScale

TSMC

Foundry

TSMC

110 nm

Process Size

80 nm

0.302 billion

Transistors

0.72 billion

333 mm²

Die Size

420 mm²

Graphics Features

9.0c (9_3)

DirectX

10.0 (10_0)

2.1

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

3.0

Shader Model

4.0

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