NVIDIA GeForce 7800 GTX 512 vs ATI Radeon HD 4890

VS

NVIDIA GeForce 7800 GTX 512

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 190W)

ATI Radeon HD 4890 's Advantages

Released 3 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (124.8GB/s vs 51.20GB/s)

800 additional rendering cores

Score

GeForce 7800 GTX 512

VS

Radeon HD 4890

Graphics Card

Nov 2005

Release Date

Apr 2009

GeForce 7 PCIe

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

975 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

124.8GB/s

Render Config

-

Compute Units

10

-

Shading Units

800

24

TMUs

40

16

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

13.60 GPixel/s

12.00 GTexel/s

Texture Rate

34.00 GTexel/s

-

FP32 (float)

1360 GFLOPS

-

FP64 (double)

272.0 GFLOPS

Board Design

108W

TDP

190W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

-

Power Connectors

2x 6-pin

Graphics Processor

G70

GPU Name

RV790

GF-7800-GTX-512-A2

GPU Variant

RV790 XT (215-0758016)

Curie

Architecture

TeraScale

TSMC

Foundry

TSMC

110 nm

Process Size

55 nm

0.302 billion

Transistors

0.959 billion

333 mm²

Die Size

282 mm²

Graphics Features

9.0c (9_3)

DirectX

10.1 (10_1)

2.1

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

3.0

Shader Model

4.1

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