GeForce 7800 GTX vs GeForce 7900 GS
GeForce 7800 GTX
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GeForce 7900 GS
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Performance Spectrum - GPU
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.
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. The GeForce 7800 GTX is positioned at rank 722 and the GeForce 7900 GS is on rank 692, so the GeForce 7900 GS offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 7800 GTX
Performance Per Dollar GeForce 7900 GS
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 7800 GTX is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score and 100% more VRAM (512 MB vs 256 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 7900 GS.
| Insight | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| Performance | ✅Leading raw performance (+2.3%) | ❌Lower raw frame rates (-2.3%) |
| Longevity | 🛑Obsolete Architecture (2008 / G9x (2007−2010)) | 🛑Obsolete Architecture (2008 / G9x (2007−2010)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce 7800 GTX offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 7800 GTX holds the technical lead. Priced at $40 (vs $50), it costs 20% less, resulting in a 27.9% higher cost efficiency score.
| Insight | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+27.9%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($40) | ⚠️Higher upfront cost ($50) |
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.
Technical Specifications
Side-by-side comparison of GeForce 7800 GTX and GeForce 7900 GS
GeForce 7800 GTX
The GeForce 7800 GTX 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: 268 points.
GeForce 7900 GS
The GeForce 7900 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: 262 points.
Graphics Performance
The GeForce 7800 GTX scores 268 and the GeForce 7900 GS reaches 262 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The GeForce 7800 GTX is built on G9x while the GeForce 7900 GS uses G9x, both on a 65 nm process. Shader units: 224 (GeForce 7800 GTX) vs 224 (GeForce 7900 GS).
| Feature | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| G3D Mark Score | 268+2% | 262 |
| Architecture | G9x | G9x |
| Process Node | 65 nm | 65 nm |
| Shading Units | 224 | 224 |
Advanced Features (DLSS/FSR)
| Feature | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce 7800 GTX comes with 512 MB of VRAM, while the GeForce 7900 GS has 256 MB. The GeForce 7800 GTX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 64-bit.
| Feature | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| VRAM Capacity | 0.5 GB+100% | 0.25 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 64-bit | 64-bit |
Display & API Support
DirectX support: 9.0c (GeForce 7800 GTX) vs 9.0c (GeForce 7900 GS). Vulkan: None vs N/A. OpenGL: 2.1 vs 2.1. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| DirectX | 9.0c | 9.0c |
| Vulkan | None | N/A |
| OpenGL | 2.1 | 2.1 |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: No (GeForce 7800 GTX) vs None (GeForce 7900 GS). Decoder: PureVideo vs PureVideo. Supported codecs: MPEG-2 (GeForce 7800 GTX) vs MPEG-2,WMV9 (GeForce 7900 GS).
| Feature | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| Encoder | No | None |
| Decoder | PureVideo | PureVideo |
| Codecs | MPEG-2 | MPEG-2,WMV9 |
Power & Dimensions
The GeForce 7800 GTX draws 150W versus the GeForce 7900 GS's 150W — a 0% difference. The GeForce 7900 GS is more power-efficient. Recommended PSU: 350W (GeForce 7800 GTX) vs 350W (GeForce 7900 GS). Power connectors: PCIe-powered vs Legacy. Card length: 228mm vs 198mm, occupying 1 vs 1 slots. Typical load temperature: 85°C vs 80.
| Feature | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| TDP | 150W | 150W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Legacy |
| Length | 228mm | 198mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 85°C | 80-6% |
| Perf/Watt | 1.8+6% | 1.7 |
Value Analysis
The GeForce 7800 GTX launched at $599 MSRP and currently averages $40, while the GeForce 7900 GS launched at $259 and now averages $50. The GeForce 7800 GTX costs 20% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.7 (GeForce 7800 GTX) vs 5.2 (GeForce 7900 GS) — the GeForce 7800 GTX offers 28.8% better value.
| Feature | GeForce 7800 GTX | GeForce 7900 GS |
|---|---|---|
| MSRP | $599 | $259-57% |
| Avg Price (30d) | $40-20% | $50 |
| Performance per Dollar | 6.7+29% | 5.2 |
| Codename | NB9E-GTX | NB9E-GTX |
| Release | July 15 2008 | July 15 2008 |
| Ranking | #825 | #825 |
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