NVIDIA GeForce GTX 780 6 GB vs NVIDIA GeForce GT 630 Rev. 2 PCIe x8

VS

NVIDIA GeForce GTX 780 6 GB

NVIDIA GeForce GT 630 Rev. 2 PCIe x8

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 6 GB and 2GB VRAM GeForce GT 630 Rev. 2 PCIe x8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 6 GB 's Advantages

Boost Clock902MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.4GB/s vs 14.40GB/s)

1920 additional rendering cores

NVIDIA GeForce GT 630 Rev. 2 PCIe x8 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 6 GB +499%

4.156 TFLOPS

GeForce GT 630 Rev. 2 PCIe x8

0.693 TFLOPS

GeForce GTX 780 6 GB

VS

GeForce GT 630 Rev. 2 PCIe x8

Graphics Card

Sep 2013

Release Date

May 2013

GeForce 700

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

900 MHz

Memory

6GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

288.4GB/s

Bandwidth

14.40GB/s

Render Config

-

2304

Shading Units

384

192

TMUs

32

48

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

43.30 GPixel/s

Pixel Rate

7.216 GPixel/s

173.2 GTexel/s

Texture Rate

28.86 GTexel/s

-

4.156 TFLOPS

FP32 (float)

692.7 GFLOPS

173.2 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

250W

TDP

25W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110B

GPU Name

GK208

GK110-301-B1

GPU Variant

GK208-301-A1

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

1.02 billion

561 mm²

Die Size

87 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.5

5.1

Shader Model

5.1

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