NVIDIA GeForce GTX 490 vs NVIDIA GeForce 7800 GTX 512

VS

NVIDIA GeForce GTX 490 NVIDIA GeForce 7800 GTX 512

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 512MB VRAM GeForce 7800 GTX 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 512GB)

Larger VRAM bandwidth (164.0GB/s vs 51.20GB/s)

480 additional rendering cores

NVIDIA GeForce 7800 GTX 512 's Advantages

Lower TDP (108W vs 365W)

Score

GeForce GTX 490

VS

GeForce 7800 GTX 512

Graphics Card

Unknown

Release Date

Nov 2005

GeForce 400

Generation

GeForce 7 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

854 MHz

Memory Clock

800 MHz

Memory

1536MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

164.0GB/s

Bandwidth

51.20GB/s

Render Config

15

SM Count

-

Compute Units

-

480

Shading Units

-

60

TMUs

24

48

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

18.24 GPixel/s

Pixel Rate

8.000 GPixel/s

36.48 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

1166 GFLOPS

FP32 (float)

-

145.8 GFLOPS

FP64 (double)

-

Graphics Processor

GF100

GPU Name

G70

GF100-375-A3

GPU Variant

GF-7800-GTX-512-A2

Fermi

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

3.1 billion

Transistors

0.302 billion

529 mm²

Die Size

333 mm²

Board Design

365W

TDP

108W

750 W

Suggested PSU

300 W

3x DVI 1x mini-DisplayPort

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

2.0

CUDA

-

5.1

Shader Model

3.0

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