CPU
GPU
GeForce 7900 GTX
Popular choices:
Mobility Radeon HD 4650
Popular choices:
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 GTX is positioned at rank 711 and the Mobility Radeon HD 4650 is on rank 398, so the Mobility Radeon HD 4650 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 GTX
Performance Per Dollar Mobility Radeon HD 4650
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Mobility Radeon HD 4650 is the superior choice for raw performance. It leads with a 3.4% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 7900 GTX.
| Insight | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3.4%) | ✅Leading raw performance (+3.4%) |
| Longevity | 🛑Obsolete Architecture (2008 / G9x (2007−2010)) | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Mobility Radeon HD 4650 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 4650 holds the technical lead. Priced at $15 (vs $40), it costs 63% less, resulting in a 175.6% higher cost efficiency score.
| Insight | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+175.6%) |
| Upfront Cost | ⚠️Higher upfront cost ($40) | ✅More affordable ($15) |
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.
Counter-Strike 2
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of GeForce 7900 GTX and Mobility Radeon HD 4650
GeForce 7900 GTX
The GeForce 7900 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: 388 points.
Mobility Radeon HD 4650
The Mobility Radeon HD 4650 is manufactured by AMD. It was released in January 7 2010. It features the TeraScale 2 architecture. The core clock speed is 700 MHz. It has 800 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 401 points.
Graphics Performance
The GeForce 7900 GTX scores 388 and the Mobility Radeon HD 4650 reaches 401 in the G3D Mark benchmark — just a 3.4% difference, making them near-identical in rasterization performance. The GeForce 7900 GTX is built on G9x while the Mobility Radeon HD 4650 uses TeraScale 2, both on 65 nm vs 40 nm. Shader units: 224 (GeForce 7900 GTX) vs 800 (Mobility Radeon HD 4650).
| Feature | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| G3D Mark Score | 388 | 401+3% |
| Architecture | G9x | TeraScale 2 |
| Process Node | 65 nm | 40 nm |
| Shading Units | 224 | 800+257% |
Advanced Features (DLSS/FSR)
| Feature | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce 7900 GTX comes with 512 MB of VRAM, while the Mobility Radeon HD 4650 has 1 GB. The Mobility Radeon HD 4650 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 128-bit.
| Feature | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| 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: 9.0c (GeForce 7900 GTX) vs 10.1 (Mobility Radeon HD 4650). Vulkan: N/A vs N/A. OpenGL: 2.1 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| DirectX | 9.0c | 10.1+12% |
| Vulkan | N/A | N/A |
| OpenGL | 2.1 | 3.3+57% |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: None (GeForce 7900 GTX) vs None (Mobility Radeon HD 4650). Decoder: PureVideo VP1 vs UVD 2.2. Supported codecs: MPEG-2,WMV9,H.264 (GeForce 7900 GTX) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4650).
| Feature | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| Encoder | None | None |
| Decoder | PureVideo VP1 | UVD 2.2 |
| Codecs | MPEG-2,WMV9,H.264 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce 7900 GTX draws 150W versus the Mobility Radeon HD 4650's 50W — a 100% difference. The Mobility Radeon HD 4650 is more power-efficient. Recommended PSU: 350W (GeForce 7900 GTX) vs 350W (Mobility Radeon HD 4650). Power connectors: PCIe-powered vs PCIe-powered. Card length: 229mm vs 0mm, occupying 2 vs 0 slots. Typical load temperature: 80 vs 80.
| Feature | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| TDP | 150W | 50W-67% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 229mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 80 | 80 |
| Perf/Watt | 2.6 | 8.0+208% |
Value Analysis
The GeForce 7900 GTX launched at $499 MSRP and currently averages $40, while the Mobility Radeon HD 4650 launched at $49 and now averages $15. The Mobility Radeon HD 4650 costs 62.5% less ($25 savings) at current market prices. Performance per dollar (G3D Mark / price): 9.7 (GeForce 7900 GTX) vs 26.7 (Mobility Radeon HD 4650) — the Mobility Radeon HD 4650 offers 175.3% better value. The Mobility Radeon HD 4650 is the newer GPU (2010 vs 2008).
| Feature | GeForce 7900 GTX | Mobility Radeon HD 4650 |
|---|---|---|
| MSRP | $499 | $49-90% |
| Avg Price (30d) | $40 | $15-63% |
| Performance per Dollar | 9.7 | 26.7+175% |
| Codename | NB9E-GTX | Broadway |
| Release | July 15 2008 | January 7 2010 |
| Ranking | #825 | #846 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
You May Also Compare
Similar GPU comparisons based on GeForce 7900 GTX and Mobility Radeon HD 4650
