GeForce 7900 GS vs GeForce 7800 GTX
GeForce 7900 GS
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GeForce 7800 GTX
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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 7900 GS is positioned at rank 692 and the GeForce 7800 GTX is on rank 722, 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 7900 GS
Performance Per Dollar GeForce 7800 GTX
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 7900 GS | GeForce 7800 GTX |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.3%) | ✅Leading raw performance (+2.3%) |
| Longevity | 🛑Obsolete Architecture (2008 / G9x (2007−2010)) | 🛑Obsolete Architecture (2008 / G9x (2007−2010)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| 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 7900 GS | GeForce 7800 GTX |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+27.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($50) | ✅More affordable ($40) |
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 7900 GS and GeForce 7800 GTX
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.
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.
Graphics Performance
The GeForce 7900 GS scores 262 and the GeForce 7800 GTX reaches 268 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The GeForce 7900 GS is built on G9x while the GeForce 7800 GTX uses G9x, both on a 65 nm process. Shader units: 224 (GeForce 7900 GS) vs 224 (GeForce 7800 GTX).
| Feature | GeForce 7900 GS | GeForce 7800 GTX |
|---|---|---|
| G3D Mark Score | 262 | 268+2% |
| Architecture | G9x | G9x |
| Process Node | 65 nm | 65 nm |
| Shading Units | 224 | 224 |
Advanced Features (DLSS/FSR)
| Feature | GeForce 7900 GS | GeForce 7800 GTX |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 2.1 (Compatible) |
| Frame Generation | Not Supported | FSR 3 (Compatible) |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The GeForce 7900 GS comes with 256 MB of VRAM, while the GeForce 7800 GTX has 512 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 7900 GS | GeForce 7800 GTX |
|---|---|---|
| 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 7900 GS) vs 9.0c (GeForce 7800 GTX). Vulkan: N/A vs None. OpenGL: 2.1 vs 2.1. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 7900 GS | GeForce 7800 GTX |
|---|---|---|
| DirectX | 9.0c | 9.0c |
| Vulkan | N/A | None |
| OpenGL | 2.1 | 2.1 |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: None (GeForce 7900 GS) vs No (GeForce 7800 GTX). Decoder: PureVideo vs PureVideo. Supported codecs: MPEG-2,WMV9 (GeForce 7900 GS) vs MPEG-2 (GeForce 7800 GTX).
| Feature | GeForce 7900 GS | GeForce 7800 GTX |
|---|---|---|
| Encoder | None | No |
| Decoder | PureVideo | PureVideo |
| Codecs | MPEG-2,WMV9 | MPEG-2 |
Power & Dimensions
The GeForce 7900 GS draws 150W versus the GeForce 7800 GTX's 150W — a 0% difference. The GeForce 7800 GTX is more power-efficient. Recommended PSU: 350W (GeForce 7900 GS) vs 350W (GeForce 7800 GTX). Power connectors: Legacy vs PCIe-powered. Card length: 198mm vs 228mm, occupying 1 vs 1 slots. Typical load temperature: 80 vs 85°C.
| Feature | GeForce 7900 GS | GeForce 7800 GTX |
|---|---|---|
| TDP | 150W | 150W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 198mm | 228mm |
| Height | 111mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 80-6% | 85°C |
| Perf/Watt | 1.7 | 1.8+6% |
Value Analysis
The GeForce 7900 GS launched at $259 MSRP and currently averages $50, while the GeForce 7800 GTX launched at $599 and now averages $40. The GeForce 7800 GTX costs 20% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.2 (GeForce 7900 GS) vs 6.7 (GeForce 7800 GTX) — the GeForce 7800 GTX offers 28.8% better value.
| Feature | GeForce 7900 GS | GeForce 7800 GTX |
|---|---|---|
| MSRP | $259-57% | $599 |
| Avg Price (30d) | $50 | $40-20% |
| Performance per Dollar | 5.2 | 6.7+29% |
| Codename | NB9E-GTX | NB9E-GTX |
| Release | July 15 2008 | July 15 2008 |
| Ranking | #825 | #825 |
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