GeForce 8400 GS vs GeForce 8600M GT

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. The GeForce 8400 GS is positioned at rank #461 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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

#451

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

1999%

#453

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

1813%

#454

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

1808%

#458

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

1644%

#459

Radeon RX 6300

MSRP: $60|Avg: $40

1633%

#461

GeForce 8400 GS

MSRP: $30|Avg: $30

100%

#462

Mobility Radeon HD 550v

MSRP: $49|Avg: $15

100%

#463

Radeon HD 8280G

MSRP: $50|Avg: $50

99%

#464

Radeon R7 M340

MSRP: $120|Avg: $35

99%

#465

Qualcomm Adreno 690 GPU

MSRP: $200|Avg: $100

99%

#466

Radeon HD 8650G + HD 8790M Dual

MSRP: $150|Avg: $45

98%

#467

Radeon HD 8550G + 8570M Dual

MSRP: $100|Avg: $100

98%

#468

Radeon R5 M230

MSRP: $80|Avg: $25

98%

#469

Radeon R9 M275X / M375

MSRP: $300|Avg: $300

97%

#470

Radeon HD 8650G + 8750M Dual

MSRP: $150|Avg: $30

97%

#471

Radeon R9 M370X

MSRP: $300|Avg: $100

96%

#472

Radeon HD 8280

MSRP: $50|Avg: $50

96%

#473

GeForce GTX 850A

MSRP: $150|Avg: $50

94%

#474

Radeon HD 8650G + HD 8600/8700M Dual

MSRP: $150|Avg: $150

94%

#475

Mobility Radeon HD 5730

MSRP: $100|Avg: $20

94%

#476

Radeon R7 A10-7700K

MSRP: $152|Avg: $118

94%

Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The GeForce 8400 GS is significantly newer (2014 vs 2008). The GeForce 8400 GS likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce 8600M GT lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The GeForce 8600M GT is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. However, the GeForce 8400 GS offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	GeForce 8400 GS	GeForce 8600M GT
Performance	❌Lower raw frame rates (-0.6%)	✅Leading raw performance (+0.6%)
Longevity	🛑Obsolete Architecture (2014 / Maxwell (2014−2017))	🛑Obsolete Architecture (2008 / G9x (2007−2010))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	—

💎 Value Proposition

While current pricing data is unavailable, the GeForce 8600M GT remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

GeForce 8400 GS Benchmark Check

GeForce 8600M GT Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce 8400 GS and GeForce 8600M GT

GeForce 8400 GS

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.

GeForce 8600M GT

The GeForce 8600M GT is manufactured by NVIDIA. It was released in July 15 2008. It features the G9x architecture. The core clock speed is 500 MHz. It has 224 shading units. The thermal design power (TDP) is 150W. Manufactured using 65 nm process technology. G3D Mark benchmark score: 164 points.

⚡

Graphics Performance

The GeForce 8400 GS scores 163 and the GeForce 8600M GT reaches 164 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The GeForce 8400 GS is built on Maxwell while the GeForce 8600M GT uses G9x, both on 28 nm vs 65 nm. Shader units: 384 (GeForce 8400 GS) vs 224 (GeForce 8600M GT).

Feature	GeForce 8400 GS	GeForce 8600M GT
G3D Mark Score	163	164
Architecture	Maxwell	G9x
Process Node	28 nm	65 nm
Shading Units	384+71%	224

✨

Advanced Features (DLSS/FSR)

Feature	GeForce 8400 GS	GeForce 8600M GT
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	Standard

💾

Video Memory (VRAM)

The GeForce 8400 GS comes with 512 MB of VRAM, while the GeForce 8600M GT has 256 MB. The GeForce 8400 GS offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit.

Feature	GeForce 8400 GS	GeForce 8600M GT
VRAM Capacity	0.5 GB+100%	0.25 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit+100%	64-bit

🖥️

Display & API Support

DirectX support: 10.0 (GeForce 8400 GS) vs 11.1 (10_0) (GeForce 8600M GT). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.

Feature	GeForce 8400 GS	GeForce 8600M GT
DirectX	10.0	11.1 (10_0)+11%
OpenGL	3.3	3.3
Max Displays	2	2

🎬

Media & Encoding

Decoder: PureVideo HD VP2 vs PureVideo HD (VP2). Supported codecs: MPEG-2,H.264 (GeForce 8400 GS) vs H.264,VC-1,MPEG-2 (GeForce 8600M GT).

Feature	GeForce 8400 GS	GeForce 8600M GT
Encoder	No	—
Decoder	PureVideo HD VP2	PureVideo HD (VP2)
Codecs	MPEG-2,H.264	H.264,VC-1,MPEG-2

🔌

Power & Dimensions

The GeForce 8400 GS draws 33W versus the GeForce 8600M GT's 150W — a 127.9% difference. The GeForce 8400 GS is more power-efficient. Recommended PSU: 350W (GeForce 8400 GS) vs 350W (GeForce 8600M GT). Power connectors: Legacy vs Legacy. Typical load temperature: 65°C vs 85°C.

Feature	GeForce 8400 GS	GeForce 8600M GT
TDP	33W-78%	150W
Recommended PSU	350W	350W
Power Connector	Legacy	Legacy
Length	170mm	—
Height	106mm	—
Slots	1	0-100%
Temp (Load)	65°C-24%	85°C
Perf/Watt	4.9+345%	1.1

💰

Value Analysis

The GeForce 8400 GS launched at $30 MSRP and currently averages $30, while the GeForce 8600M GT launched at $0 and now averages $0. The GeForce 8600M GT costs 100+% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.4 (GeForce 8400 GS) vs Infinity (GeForce 8600M GT) — the GeForce 8600M GT offers Infinity% better value. The GeForce 8400 GS is the newer GPU (2014 vs 2008).