
GeForce 6800 GS

GeForce GT 120
GeForce 6800 GS vs GeForce GT 120 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 6800 GS vs GeForce GT 120 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
GeForce 6800 GS vs GeForce GT 120: 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 6800 GS
2008Why buy it
- ✅5.1% more average FPS across 47 tracked games in our benchmark data.
Trade-offs
- ❌Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
- ❌2008 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌149% HIGHER MSRP$249 MSRPvs$100 MSRP
- ❌Lower G3D Mark per dollar, at 0.8 vs 1.9 G3D/$ ($249 MSRP vs $100 MSRP).
- ❌400% higher power demand at 150W vs 30W.
GeForce GT 120
2017Why buy it
- ✅Costs $149 less on MSRP ($100 MSRP vs $249 MSRP).
- ✅Delivers 143.8% more G3D Mark for each dollar spent, at 1.9 vs 0.8 G3D/$ ($100 MSRP vs $249 MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
- ✅Draws 30W instead of 150W, a 120W reduction.
- ✅Measures 168mm instead of 216mm, a 48mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than GeForce 6800 GS across 47 tracked games in our benchmark data.
- ❌2017 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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GeForce 6800 GS vs GeForce GT 120 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce 6800 GS
The GeForce 6800 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: 192 points.

GeForce GT 120
The GeForce GT 120 is manufactured by NVIDIA. It was released in May 17 2017. It features the Pascal architecture. The core clock ranges from 1228 MHz to 1468 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 188 points. Launch price was $79.
Graphics Performance
The GeForce 6800 GS scores 192 and the GeForce GT 120 reaches 188 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The GeForce 6800 GS is built on G9x while the GeForce GT 120 uses Pascal, both on 65 nm vs 14 nm. Shader units: 224 (GeForce 6800 GS) vs 384 (GeForce GT 120).
| Feature | GeForce 6800 GS | GeForce GT 120 |
|---|---|---|
| G3D Mark Score | 192+2% | 188 |
| Architecture | G9x | Pascal |
| Process Node | 65 nm | 14 nm |
| Shading Units | 224 | 384+71% |
Advanced Features (DLSS/FSR)
| Feature | GeForce 6800 GS | GeForce GT 120 |
|---|---|---|
| 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 6800 GS has 256 MB of VRAM, while the GeForce GT 120 carries 512 MB. GeForce GT 120 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 6800 GS and 64-bit on the GeForce GT 120.
| Feature | GeForce 6800 GS | GeForce GT 120 |
|---|---|---|
| VRAM Capacity | 0.25 GB | 0.5 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 64-bit |
Display & API Support
DirectX support: 9.0c (GeForce 6800 GS) vs 10.0 (GeForce GT 120). Vulkan: None vs None. OpenGL: 2.1 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 6800 GS | GeForce GT 120 |
|---|---|---|
| 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 6800 GS) vs No (GeForce GT 120). Decoder: PureVideo vs PureVideo HD VP3. Supported codecs: MPEG-2 (GeForce 6800 GS) vs MPEG-2,H.264,VC-1 (GeForce GT 120).
| Feature | GeForce 6800 GS | GeForce GT 120 |
|---|---|---|
| Encoder | No | No |
| Decoder | PureVideo | PureVideo HD VP3 |
| Codecs | MPEG-2 | MPEG-2,H.264,VC-1 |
Power & Dimensions
The GeForce 6800 GS draws 150W versus the GeForce GT 120's 30W — a 133.3% difference. The GeForce GT 120 is more power-efficient. Recommended PSU: 350W (GeForce 6800 GS) vs 350W (GeForce GT 120). Power connectors: Legacy vs PCIe-powered. Card length: 216mm vs 168mm, occupying 1 vs 1 slots. Typical load temperature: 85°C vs 65°C.
| Feature | GeForce 6800 GS | GeForce GT 120 |
|---|---|---|
| TDP | 150W | 30W-80% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 216mm | 168mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 85°C | 65°C-24% |
| Perf/Watt | 1.3 | 6.3+385% |
Value Analysis
At launch, the GeForce 6800 GS came in at $249, while the GeForce GT 120 launched at $100. On MSRP, GeForce GT 120 was 59.8% cheaper ($149 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.8 (GeForce 6800 GS) vs 1.9 (GeForce GT 120) — the GeForce GT 120 offers 137.5% better value. The newer card here is GeForce GT 120 (2017 vs 2008).
| Feature | GeForce 6800 GS | GeForce GT 120 |
|---|---|---|
| MSRP | $249 | $100-60% |
| Performance per Dollar | 0.8 | 1.9+137% |
| Codename | NB9E-GTX | GP108 |
| Release | July 15 2008 | May 17 2017 |
| Ranking | #825 | #641 |
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