NVIDIA GeForce GT 630 vs NVIDIA GeForce 8800 Ultra

VS

NVIDIA GeForce GT 630

NVIDIA GeForce 8800 Ultra

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 630 and 768MB VRAM GeForce 8800 Ultra to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 630 's Advantages

Released 5 years late

More VRAM (1024GB vs 768GB)

Lower TDP (65W vs 171W)

NVIDIA GeForce 8800 Ultra 's Advantages

Larger VRAM bandwidth (103.7GB/s vs 28.80GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 630

0.311 TFLOPS

GeForce 8800 Ultra +24%

0.387 TFLOPS

GeForce GT 630

VS

GeForce 8800 Ultra

Graphics Card

May 2012

Release Date

May 2007

GeForce 600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1080 MHz

Memory

1024MB

Memory Size

768MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

103.7GB/s

Render Config

-

2

SM Count

16

96

Shading Units

128

16

TMUs

32

4

ROPs

24

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

96 KB

-

Theoretical Performance

3.240 GPixel/s

Pixel Rate

14.69 GPixel/s

12.96 GTexel/s

Texture Rate

39.17 GTexel/s

-

311.0 GFLOPS

FP32 (float)

387.1 GFLOPS

25.92 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

171W

250 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

GF108

GPU Name

G80

GF108-400-A1

GPU Variant

G80-450-A3

Fermi

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

0.585 billion

Transistors

0.681 billion

116 mm²

Die Size

484 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1 (1.0)

N/A

Vulkan

N/A

2.1

CUDA

1.0

5.1

Shader Model

4.0

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