NVIDIA GeForce 8800 Ultra vs NVIDIA GeForce GT 630 Rev. 2

VS

NVIDIA GeForce 8800 Ultra

NVIDIA GeForce GT 630 Rev. 2

We compared two Desktop platform GPUs: 768MB VRAM GeForce 8800 Ultra and 2GB VRAM GeForce GT 630 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 Ultra 's Advantages

Larger VRAM bandwidth (103.7GB/s vs 14.40GB/s)

NVIDIA GeForce GT 630 Rev. 2 's Advantages

Released 6 years late

More VRAM (2GB vs 768GB)

256 additional rendering cores

Lower TDP (25W vs 171W)

Score

Benchmark

FP32 (float)

GeForce 8800 Ultra

0.387 TFLOPS

GeForce GT 630 Rev. 2 +79%

0.693 TFLOPS

GeForce 8800 Ultra

VS

GeForce GT 630 Rev. 2

Graphics Card

May 2007

Release Date

May 2013

GeForce 8

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

1080 MHz

Memory Clock

900 MHz

Memory

768MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

384bit

Memory Bus

64bit

103.7GB/s

Bandwidth

14.40GB/s

Render Config

-

16

SM Count

-

128

Shading Units

384

32

TMUs

32

24

ROPs

8

-

L1 Cache

16 KB (per SMX)

96 KB

L2 Cache

512 KB

-

Theoretical Performance

14.69 GPixel/s

Pixel Rate

7.216 GPixel/s

39.17 GTexel/s

Texture Rate

28.86 GTexel/s

-

387.1 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

171W

TDP

25W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

G80

GPU Name

GK208

G80-450-A3

GPU Variant

GK208-301-A1

Tesla

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

90 nm

Process Size

28 nm

0.681 billion

Transistors

1.02 billion

484 mm²

Die Size

87 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1 (1.0)

OpenCL

3.0

N/A

Vulkan

1.1

1.0

CUDA

3.5

4.0

Shader Model

5.1

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