ATI Radeon HD 2900 XT vs NVIDIA GeForce 7800 GTX 512

VS

ATI Radeon HD 2900 XT

NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XT and 512MB VRAM GeForce 7800 GTX 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XT 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (106.0GB/s vs 51.20GB/s)

320 additional rendering cores

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 215W)

Score

Radeon HD 2900 XT

VS

GeForce 7800 GTX 512

Graphics Card

May 2007

Release Date

Nov 2005

Radeon R600

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

828 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

51.20GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

24

16

ROPs

16

-

256 KB

L2 Cache

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

8.000 GPixel/s

11.89 GTexel/s

Texture Rate

12.00 GTexel/s

-

475.5 GFLOPS

FP32 (float)

-

Board Design

215W

TDP

108W

550 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

R600

GPU Name

G70

R600 XT (215RGMDKA13FG)

GPU Variant

GF-7800-GTX-512-A2

TeraScale

Architecture

Curie

TSMC

Foundry

TSMC

80 nm

Process Size

110 nm

0.72 billion

Transistors

0.302 billion

420 mm²

Die Size

333 mm²

Graphics Features

10.0 (10_0)

DirectX

9.0c (9_3)

3.3 (full) 4.0 (partial)

OpenGL

2.1

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

3.0

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