GeForce 6600 GT vs GeForce 8600 GT

NVIDIA

GeForce 6600 GT

2012Core: 915 MHzBoost: 980 MHz
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VS
NVIDIA

GeForce 8600 GT

2008Core: 500 MHz
Similar parts
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GeForce 6600 GT vs GeForce 8600 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 6600 GT vs GeForce 8600 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 6600 GT vs GeForce 8600 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 6600 GT

2012

Why buy it

  • 0.7% more average FPS across 50 tracked games in our benchmark data.
  • More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with 256 MB vs 1 GB for high-resolution textures and newer games.
  • 2012 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 25.2% HIGHER MSRP
    $199 MSRPvs$159 MSRP
  • Lower G3D Mark per dollar, at 0.7 vs 0.9 G3D/$ ($199 MSRP vs $159 MSRP).

GeForce 8600 GT

2008

Why buy it

  • Costs $40 less on MSRP ($159 MSRP vs $199 MSRP).
  • Delivers 22.5% more G3D Mark for each dollar spent, at 0.9 vs 0.7 G3D/$ ($159 MSRP vs $199 MSRP).
  • 300% more VRAM for high-resolution textures and newer games (1 GB vs 256 MB).
  • Measures 173mm instead of 183mm, a 10mm shorter card that is more SFF-friendly.

Trade-offs

  • Lower average FPS than GeForce 6600 GT across 50 tracked games in our benchmark data.
  • 2008 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 6600 GT is the faster gaming card right now. In our data, it leads by 0.7% in average FPS across 50 tracked games in our benchmark data and by 2.1% in PassMark G3D (143 vs 140), so the answer here is pretty clean.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce 6600 GT is the safer long-term pick for 2026 and beyond. The case is simple: a 28nm process instead of 65nm and a newer 2012 generation instead of 2008. That makes it the less risky pick as game demands keep moving.
Which GPU is the better buy today?
GeForce 8600 GT makes the most sense to buy today. It is $40 cheaper on MSRP at $159 vs $199, and it leads G3D-per-dollar by 22.5% (0.9 vs 0.7), which is enough to swing the recommendation its way. If you are mainly targeting 1080p and some 1440p, GeForce 8600 GT is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce 6600 GT has the stronger long-term case.

GeForce 6600 GT vs GeForce 8600 GT Technical Specifications

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

NVIDIA

GeForce 6600 GT

The GeForce 6600 GT is manufactured by NVIDIA. It was released in August 16 2012. It features the Kepler architecture. The core clock ranges from 915 MHz to 980 MHz. It has 1344 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 143 points. Launch price was $299.

NVIDIA

GeForce 8600 GT

The GeForce 8600 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: 140 points.

Graphics Performance

The GeForce 6600 GT scores 143 and the GeForce 8600 GT reaches 140 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce 6600 GT is built on Kepler while the GeForce 8600 GT uses G9x, both on 28 nm vs 65 nm. Shader units: 1,344 (GeForce 6600 GT) vs 224 (GeForce 8600 GT).

FeatureGeForce 6600 GTGeForce 8600 GT
G3D Mark Score
143+2%
140
Architecture
Kepler
G9x
Process Node
28 nm
65 nm
Shading Units
1344+500%
224

Advanced Features (DLSS/FSR)

FeatureGeForce 6600 GTGeForce 8600 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 6600 GT has 256 MB of VRAM, while the GeForce 8600 GT carries 1 GB. GeForce 8600 GT gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce 6600 GT and 64-bit on the GeForce 8600 GT.

FeatureGeForce 6600 GTGeForce 8600 GT
VRAM Capacity
0.25 GB
1 GB+300%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit+100%
64-bit
🖥️

Display & API Support

DirectX support: 9.0c (GeForce 6600 GT) vs 10.0 (GeForce 8600 GT). Vulkan: None vs None. OpenGL: 2.1 vs 3.3. Maximum simultaneous displays: 2 vs 2.

FeatureGeForce 6600 GTGeForce 8600 GT
DirectX
9.0c
10.0+11%
Vulkan
None
None
OpenGL
2.1
3.3+57%
Max Displays
2
2
🎬

Media & Encoding

Hardware encoder: No (GeForce 6600 GT) vs No (GeForce 8600 GT). Decoder: PureVideo vs PureVideo HD VP2. Supported codecs: MPEG-2 (GeForce 6600 GT) vs MPEG-2,H.264 (GeForce 8600 GT).

FeatureGeForce 6600 GTGeForce 8600 GT
Encoder
No
No
Decoder
PureVideo
PureVideo HD VP2
Codecs
MPEG-2
MPEG-2,H.264
🔌

Power & Dimensions

The GeForce 6600 GT draws 150W versus the GeForce 8600 GT's 150W — a 0% difference. The GeForce 8600 GT is more power-efficient. Recommended PSU: 350W (GeForce 6600 GT) vs 350W (GeForce 8600 GT). Power connectors: Legacy vs Legacy. Card length: 183mm vs 173mm, occupying 1 vs 1 slots. Typical load temperature: 75°C vs 80°C.

FeatureGeForce 6600 GTGeForce 8600 GT
TDP
150W
150W
Recommended PSU
350W
350W
Power Connector
Legacy
Legacy
Length
183mm
173mm
Height
111mm
111mm
Slots
1
1
Temp (Load)
75°C-6%
80°C
Perf/Watt
1.0+11%
0.9
💰

Value Analysis

At launch, the GeForce 6600 GT came in at $199, while the GeForce 8600 GT launched at $159. On MSRP, GeForce 8600 GT was 20.1% cheaper ($40 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.7 (GeForce 6600 GT) vs 0.9 (GeForce 8600 GT) — the GeForce 8600 GT offers 28.6% better value. The newer card here is GeForce 6600 GT (2012 vs 2008).

FeatureGeForce 6600 GTGeForce 8600 GT
MSRP
$199
$159-20%
Performance per Dollar
0.7
0.9+29%
Codename
GK104
NB9E-GTX
Release
August 16 2012
July 15 2008
Ranking
#472
#825

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