NVIDIA GeForce GTX 670 vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

NVIDIA GeForce GTX 670

NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 670 and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670 's Advantages

Released 5 years and 1 months late

Boost Clock980MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.3GB/s vs 8.000GB/s)

1328 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 170W)

Score

Benchmark

FP32 (float)

GeForce GTX 670 +6653%

2.634 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

GeForce GTX 670

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

May 2012

Release Date

Apr 2007

GeForce 600

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

915 MHz

Base Clock

-

980 MHz

Boost Clock

-

1502 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

192.3GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

2

1344

Shading Units

16

112

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

27.44 GPixel/s

Pixel Rate

2.080 GPixel/s

109.8 GTexel/s

Texture Rate

4.160 GTexel/s

-

2.634 TFLOPS

FP32 (float)

39.36 GFLOPS

109.8 GFLOPS

FP64 (double)

-

Board Design

170W

TDP

40W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

GT218

GK104-325-A2

GPU Variant

-

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

3.54 billion

Transistors

0.26 billion

294 mm²

Die Size

57 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.2

5.1

Shader Model

4.1

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