NVIDIA GeForce GTX 680 vs NVIDIA GeForce 9400 GT PCI

VS

NVIDIA GeForce GTX 680

NVIDIA GeForce 9400 GT PCI

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Released 3 years and 7 months late

Boost Clock1058MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (192.3GB/s vs 12.80GB/s)

1520 additional rendering cores

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +7122%

3.25 TFLOPS

GeForce 9400 GT PCI

0.045 TFLOPS

GeForce GTX 680

VS

GeForce 9400 GT PCI

Graphics Card

Mar 2012

Release Date

Aug 2008

GeForce 600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

192.3GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

1536

Shading Units

16

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

2.200 GPixel/s

135.4 GTexel/s

Texture Rate

4.400 GTexel/s

-

3.250 TFLOPS

FP32 (float)

44.80 GFLOPS

135.4 GFLOPS

FP64 (double)

-

Board Design

195W

TDP

50W

450 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

G96C

GK104-400-A2

GPU Variant

-

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.314 billion

294 mm²

Die Size

121 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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