GeForce 8600 GS vs GeForce 9400 GT

NVIDIA

GeForce 8600 GS

2008Core: 500 MHz
Similar parts
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VS
NVIDIA

GeForce 9400 GT

2015Core: 1072 MHzBoost: 1176 MHz
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GeForce 8600 GS vs GeForce 9400 GT Performance Spectrum

About G3D Mark

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.

GeForce 8600 GS vs GeForce 9400 GT FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce 8600 GS vs GeForce 9400 GT: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce 8600 GS

2008

Why buy it

  • 5.9% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

  • Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
  • 2008 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 69.5% HIGHER MSRP
    $100 MSRPvs$59 MSRP
  • Lower G3D Mark per dollar, at 1.8 vs 3.2 G3D/$ ($100 MSRP vs $59 MSRP).
  • 354.5% higher power demand at 150W vs 33W.

GeForce 9400 GT

2015

Why buy it

  • Costs $41 less on MSRP ($59 MSRP vs $100 MSRP).
  • Delivers 80.9% more G3D Mark for each dollar spent, at 3.2 vs 1.8 G3D/$ ($59 MSRP vs $100 MSRP).
  • 100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
  • Draws 33W instead of 150W, a 117W reduction.
  • Measures 168mm instead of 170mm, a 2mm shorter card that is more SFF-friendly.

Trade-offs

  • Lower average FPS than GeForce 8600 GS across 50 tracked games in our benchmark data.
  • 2015 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Quick Answers

Which GPU is faster for gaming right now?
GeForce 8600 GS is the faster gaming card right now. In our data, it leads by 5.9% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce 9400 GT instead at 191 vs 179, so for this question the real-game FPS result matters more than the synthetic split.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 8600 GS is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.
Which GPU is the better buy today?
GeForce 9400 GT makes the most sense to buy today. It is $41 cheaper on MSRP at $59 vs $100, and it leads G3D-per-dollar by 80.9% (3.2 vs 1.8), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, GeForce 9400 GT is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce 8600 GS has the stronger long-term case.

GeForce 8600 GS vs GeForce 9400 GT Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

NVIDIA

GeForce 8600 GS

The GeForce 8600 GS 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: 179 points.

NVIDIA

GeForce 9400 GT

The GeForce 9400 GT is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 1072 MHz to 1176 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 191 points.

Graphics Performance

In G3D Mark, the GeForce 8600 GS scores 179 versus the GeForce 9400 GT's 191 — the GeForce 9400 GT leads by 6.7%. The GeForce 8600 GS is built on G9x while the GeForce 9400 GT uses Maxwell, both on 65 nm vs 28 nm. Shader units: 224 (GeForce 8600 GS) vs 384 (GeForce 9400 GT).

FeatureGeForce 8600 GSGeForce 9400 GT
G3D Mark Score
179
191+7%
Architecture
G9x
Maxwell
Process Node
65 nm
28 nm
Shading Units
224
384+71%

Advanced Features (DLSS/FSR)

FeatureGeForce 8600 GSGeForce 9400 GT
Upscaling Tech
Upscaling support
Upscaling support
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
NVIDIA Reflex
NVIDIA Reflex
💾

Video Memory (VRAM)

The GeForce 8600 GS has 512 MB of VRAM, while the GeForce 9400 GT carries 1 GB. GeForce 9400 GT gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the GeForce 8600 GS and 128-bit on the GeForce 9400 GT.

FeatureGeForce 8600 GSGeForce 9400 GT
VRAM Capacity
0.5 GB
1 GB+100%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
64-bit
128-bit+100%
🖥️

Display & API Support

DirectX support: 10_0 (GeForce 8600 GS) vs 10.0 (GeForce 9400 GT). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.

FeatureGeForce 8600 GSGeForce 9400 GT
DirectX
10_0
10.0
OpenGL
3.3
3.3
Max Displays
2
2
🎬

Media & Encoding

Hardware encoder: PureVideo HD (GeForce 8600 GS) vs No (GeForce 9400 GT). Decoder: PureVideo HD vs PureVideo HD VP2. Supported codecs: H.264,MPEG-2,VC-1,WMV9 (GeForce 8600 GS) vs MPEG-2,H.264 (GeForce 9400 GT).

FeatureGeForce 8600 GSGeForce 9400 GT
Encoder
PureVideo HD
No
Decoder
PureVideo HD
PureVideo HD VP2
Codecs
H.264,MPEG-2,VC-1,WMV9
MPEG-2,H.264
🔌

Power & Dimensions

The GeForce 8600 GS draws 150W versus the GeForce 9400 GT's 33W — a 127.9% difference. The GeForce 9400 GT is more power-efficient. Recommended PSU: 350W (GeForce 8600 GS) vs 350W (GeForce 9400 GT). Power connectors: Legacy vs Legacy. Card length: 170mm vs 168mm, occupying 1 vs 1 slots. Typical load temperature: 78°C vs 65°C.

FeatureGeForce 8600 GSGeForce 9400 GT
TDP
150W
33W-78%
Recommended PSU
350W
350W
Power Connector
Legacy
Legacy
Length
170mm
168mm
Height
111mm
111mm
Slots
1
1
Temp (Load)
78°C
65°C-17%
Perf/Watt
1.2
5.8+383%
💰

Value Analysis

At launch, the GeForce 8600 GS came in at $100, while the GeForce 9400 GT launched at $59. On MSRP, GeForce 9400 GT was 41% cheaper ($41 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.8 (GeForce 8600 GS) vs 3.2 (GeForce 9400 GT) — the GeForce 9400 GT offers 77.8% better value. The newer card here is GeForce 9400 GT (2015 vs 2008).

FeatureGeForce 8600 GSGeForce 9400 GT
MSRP
$100
$59-41%
Performance per Dollar
1.8
3.2+78%
Codename
NB9E-GTX
GM108
Release
July 15 2008
March 13 2015
Ranking
#825
#847

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