G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Overview

The GeForce 8400 GS is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 163 points.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar GeForce 8400 GS

#723

Radeon HD 8550G + 8600M Dual

MSRP: $100|Avg: $100

114%

#724

Radeon R1E

MSRP: N/A|Avg: $49

113%

#725

Mobility Radeon X1600

MSRP: $49|Avg: $15

113%

#726

Mobility Radeon HD 3450

MSRP: $100|Avg: $15

112%

#727

MOBILITY RADEON X700 XL

MSRP: $49|Avg: $10

110%

#728

GeForce 7800 GS

MSRP: $30|Avg: $30

109%

#729

Radeon HD 8650G + 7670M Dual

MSRP: $150|Avg: $150

108%

#730

GeForce 7500 LE

MSRP: $60|Avg: $15

104%

#731

Mobility Radeon HD 2600

MSRP: $100|Avg: $30

103%

#732

Radeon R7 M380

MSRP: $300|Avg: $300

102%

#733

GeForce 9650M GT

MSRP: $100|Avg: $25

101%

#734

Radeon HD 8550G + HD 7600M Dual

MSRP: $100|Avg: $100

101%

#735

Mobility Radeon X2500

MSRP: $50|Avg: $15

101%

#736

Radeon HD 8450G + 8600M Dual

MSRP: $100|Avg: $100

100%

#737

Radeon R9 M275X

MSRP: $300|Avg: $300

100%

#738

GeForce 8400 GS

MSRP: $30|Avg: $30

100%

#739

Radeon HD 8280G

MSRP: $50|Avg: $50

99%

#740

Radeon HD 8550G + 8570M Dual

MSRP: $100|Avg: $100

98%

#741

GeForce 8600 GTS

MSRP: $199|Avg: $35

97%

#742

GeForce 8400M G

MSRP: $50|Avg: $20

97%

#743

Radeon R9 M275X / M375

MSRP: $300|Avg: $300

97%

#744

GeForce 7900 GS

MSRP: $259|Avg: $50

97%

#745

Radeon HD 8280

MSRP: $50|Avg: $50

96%

#746

GeForce 8400M GS

MSRP: $50|Avg: $20

96%

#747

Radeon R2

MSRP: N/A|Avg: $49

95%

#748

Radeon HD 8650G + HD 8600/8700M Dual

MSRP: $150|Avg: $150

94%

#749

GeForce 6150SE

MSRP: $30|Avg: $5

92%

#750

MOBILITY RADEON X600

MSRP: $50|Avg: $10

92%

#751

Mobility Radeon X2300 HD

MSRP: $50|Avg: $10

90%

#752

GeForce 6800 GS

MSRP: $249|Avg: $40

88%

#753

Radeon R7 M260

MSRP: $110|Avg: $110

88%

Based on actual market prices and performance benchmarks.

FPS Benchmarks

Predicted performance for GeForce 8400 GS across popular games. Tested paired with Ryzen 7 7800X3D to isolate GPU performance.

Technical Analysis

Detailed breakdown of GeForce 8400 GS specifications and capabilities.

⚡

Graphics Performance

The GeForce 8400 GS scores 163 in the G3D Mark benchmark (the standard measure of rasterization GPU performance), placing it in the Entry Level tier as a Legacy generation graphics card. It is built on the Maxwell (2014−2017) architecture (codename: GM108), manufactured on a 28 nm process— smaller process nodes improve power efficiency and transistor density. It packs 384 shader units (the primary compute units for rendering pixels), 16 TMUs (texture mapping units), and 8 ROPs (render output units that handle final pixel output). Raw FP32 compute power: 0.8632 TFLOPS — this measures the theoretical peak floating-point performance. Boost clock reaches 1124 MHz from a base of 1029 MHz.

Specification	GeForce 8400 GS
G3D MarkPassMark 3D graphics benchmark score	163
ArchitectureGPU microarchitecture generation	Maxwell (2014−2017)
CodenameInternal GPU die codename	GM108
Manufacturing ProcessFabrication node — smaller = more efficient	28 nm
Shader UnitsCore compute units for rendering/compute	384
TMUsTexture Mapping Units — handle texture sampling	16
ROPsRender Output Units — final pixel/color blending	8
Boost ClockMaximum GPU frequency under load	1124 MHz
Base ClockGuaranteed minimum GPU frequency	1029 MHz
Compute (FP32)Peak single-precision floating-point performance	0.8632 TFLOPS
Texture Fill RateTextures processed per second	17.98 GTexel/s
PCIe InterfaceCPU↔GPU data link generation	PCIe 3.0 x16
Performance RankPosition in global GPU performance ranking	#850

💾

Video Memory (VRAM)

The GeForce 8400 GS is equipped with 0.5 GB of GDDR5 video memory connected via a 128-bit memory bus, delivering Unknown of bandwidth. Memory operates at 8 Gbps effective speed.

Specification	GeForce 8400 GS
VRAM SizeVideo memory capacity — more = better for high-res textures	0.5 GB
VRAM TypeMemory technology generation	GDDR5
Memory BusWidth of data path — wider = more bandwidth	128-bit
Memory SpeedEffective memory data rate	8 Gbps
BandwidthMaximum data throughput between GPU and VRAM	Unknown
L1 Cache	192 kB
L2 Cache	1024 kB

✨

Advanced Features & APIs

Graphics API support: DirectX 10.0, Vulkan None, OpenGL 3.3— latest API versions enable the most advanced rendering features like ray tracing and mesh shaders.

Specification	GeForce 8400 GS
NVIDIA Reflex	❌ Not Supported
DLSS Frame Generation	❌ Not Supported
DLSS Super Resolution	❌ Not Supported
DirectXMicrosoft graphics API version	10.0
VulkanCross-platform graphics API	None
OpenGLLegacy graphics API	3.3
Compute APIGPGPU framework (CUDA/ROCm/OpenCL)	CUDA 1.1

🖥️

Display & Media

Display outputs: 1x DVI, 1x VGA, 1x S-Video — supports up to 2 simultaneous displays. Hardware encoder: No, decoder: PureVideo HD VP2— dedicated hardware for video encoding/decoding accelerates streaming, recording, and video playback. Supported codecs: MPEG-2,H.264.

Specification	GeForce 8400 GS
DVI PortsNumber of DVI display connectors	1x
VGA PortsNumber of VGA display connectors	1x
S-Video PortsNumber of S-Video display connectors	1x
Max DisplaysMaximum simultaneously connected monitors	2
Hardware EncoderVideo encoding engine version	No
Hardware DecoderVideo decoding engine version	PureVideo HD VP2
CodecsSupported video compression formats	MPEG-2,H.264

🔌

Power & Dimensions

The GeForce 8400 GS draws 33 Watt under load (TDP) — a 350W PSU minimum is recommended. Power connector: Legacy. Physical size: 170mm long, 106mm tall, occupying 1 expansion slots— verify your case has clearance before purchasing. Typical temperatures: 40°C at idle, 65°C under load.

Specification	GeForce 8400 GS
TDPPower consumption under load	33 Watt
Recommended PSUMinimum power supply wattage	350W
Power ConnectorRequired PCIe power cable type	Legacy
Card LengthGPU card length — check case clearance	170mm
Card Height	106mm
Slot WidthExpansion slots occupied	1-slot
Idle TemperatureTypical temperature at desktop idle	40°C
Load TemperatureTypical temperature under gaming load	65°C

💰

Value Analysis

At an average price of $30, the GeForce 8400 GS delivers 5 G3D Mark points per dollar. Overall performance ranking position: #850 among all indexed GPUs.

Specification	GeForce 8400 GS
MSRPManufacturer's Suggested Retail Price	$30
Avg Price (30d)Average market price over the last 30 days	$30
Performance RankPosition in global GPU performance ranking	#850
Release Date	March 17 2014
Release Year	2014

Specifications Reference

Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.

2 categories

Technical Specifications

18 specs

ROPs	8
TMUs	16
Vram	0.5 GB
L1 Cache	192 kB
L2 Cache	1024 kB
Core Clock	1029 MHz
Boost Clock	1124 MHz
Memory Type	GDDR5
Memory Speed	8 Gbps
Shading Units	384
PCIe Generation	PCIe 3.0 x16
Memory Bandwidth	Unknown
Memory Bus Width	128-bit
Frame Generation	NVIDIA Reflex: No \| DLSS Frame Generation: No \| DLSS Super Resolution: No
Texture Fill Rate	17.98
Manufacturing Process	28 nm
Power Consumption (TDP)	33 Watt
Floating Point Performance	0.8632 TFLOPS