NVIDIA GeForce 8800 Ultra vs NVIDIA GeForce GTX 490

VS

NVIDIA GeForce 8800 Ultra

NVIDIA GeForce GTX 490

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 1536MB VRAM GeForce GTX 490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 Ultra 's Advantages

Lower TDP (171W vs 365W)

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 768GB)

Larger VRAM bandwidth (164.0GB/s vs 103.7GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

GeForce GTX 490 +201%

1.166 TFLOPS

GeForce 8800 Ultra

VS

GeForce GTX 490

Graphics Card

May 2007

Release Date

Unknown

GeForce 8

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1080 MHz

Memory Clock

854 MHz

Memory

768MB

Memory Size

1536MB

GDDR3

Memory Type

GDDR5

384bit

Memory Bus

384bit

103.7GB/s

Bandwidth

164.0GB/s

Render Config

-

16

SM Count

15

128

Shading Units

480

32

TMUs

60

24

ROPs

48

-

L1 Cache

64 KB (per SM)

96 KB

L2 Cache

768 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

18.24 GPixel/s

39.17 GTexel/s

Texture Rate

36.48 GTexel/s

-

387.1 GFLOPS

FP32 (float)

1166 GFLOPS

-

FP64 (double)

145.8 GFLOPS

Board Design

171W

TDP

365W

450 W

Suggested PSU

750 W

2x DVI 1x S-Video

Outputs

3x DVI 1x mini-DisplayPort

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

G80

GPU Name

GF100

G80-450-A3

GPU Variant

GF100-375-A3

Tesla

Architecture

Fermi

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.681 billion

Transistors

3.1 billion

484 mm²

Die Size

529 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

1.1

N/A

Vulkan

N/A

1.0

CUDA

2.0

4.0

Shader Model

5.1

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