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NVIDIA GeForce 8400

G98
Graphics Processor
8
Cores
8
TMUs
4
ROPs
256 MB
Memory Size
DDR2
Memory Type
64 bit
Bus Width
NVIDIA GeForce 8400 Photo NVIDIA G98 Photo
The GeForce 8400 was a graphics card by NVIDIA, launched in December 2007. Built on the 65 nm process, and based on the G98 graphics processor, the card supports DirectX 10.0. The G98 graphics processor is a relatively small chip with a die area of only 86 mm² and 210 million transistors. It features 8 shading units, 8 texture mapping units and 4 ROPs. NVIDIA has placed 256 MB DDR2 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 540 MHz, memory is running at 500 MHz.
Being a single-slot card, the NVIDIA GeForce 8400 does not require any additional power connector, its power draw is rated at 25 W maximum. Display outputs include: 1x DVI, 1x VGA, 1x S-Video. GeForce 8400 is connected to the rest of the system using a PCI-Express 2.0 x16 interface.

Graphics Processor

GPU Name
G98
Architecture
Tesla
Foundry
TSMC
Process Size
65 nm
Transistors
210 million
Die Size
86 mm²

Graphics Card

Release Date
Dec 4th, 2007
Generation
GeForce 8
(8400)
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Relative Performance

100%
GeForce 8400
110%
141%
174%
222%
261%
276%
341%
445%
451%
490%
517%
528%
606%
644%
691%
714%
743%
766%
818%
863%
882%
908%
940%
1073%
1082%
1101%
1115%
1117%
1129%
1138%
1205%
1267%
1288%
1335%
1346%
1359%
1371%
1376%
1378%
1405%
1473%
1501%
1610%
1640%
1640%
1709%
1713%
1775%
1894%
1954%
1964%
2000%
2010%
2080%
2105%
2120%
2157%
2257%
2301%
2338%
2339%
2346%
2353%
2541%
2563%
2625%
2657%
2670%
2691%
2697%
2745%
2750%
2827%
3043%
3122%
3202%
3221%
3253%
3287%
3364%
3452%
3532%
3616%
3667%
3670%
4066%
4474%
4535%
4839%
4865%
4930%
4995%
5038%
5062%
5134%
5157%
5182%
5225%
5506%
5620%
5693%
5693%
6262%
6370%
6478%
6963%
7647%
7917%
8529%
8529%
8997%
10040%
10526%
10796%
11768%
13387%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
540 MHz
Shader Clock
1300 MHz
Memory Clock
500 MHz
1000 MHz effective

Memory

Memory Size
256 MB
Memory Type
DDR2
Memory Bus
64 bit
Bandwidth
8.000 GB/s

Render Config

Shading Units
8
TMUs
8
ROPs
4
SM Count
1

Theoretical Performance

Pixel Rate
2.160 GPixel/s
Texture Rate
4.320 GTexel/s
FP32 (float) performance
20.80 GFLOPS

Board Design

Slot Width
Single-slot
TDP
25 W
Outputs
1x DVI
1x VGA
1x S-Video
Power Connectors
None
Board Number
P561

Graphics Features

DirectX
10.0
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
CUDA
1.1
Shader Model
4.0

G98 GPU Notes

PureVideo HD: VP3
VDPAU: Feature Set B