
GeForce FX 5900XT

MOBILITY RADEON 9800
GeForce FX 5900XT vs MOBILITY RADEON 9800 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 FX 5900XT vs MOBILITY RADEON 9800 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
GeForce FX 5900XT vs MOBILITY RADEON 9800: 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 FX 5900XT
2011Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Lower PassMark G3D performance (40 vs 46).
- ❌Less VRAM, with 128 MB vs 256 MB for high-resolution textures and newer games.
- ❌2011 hardware with 128 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 0.2 G3D/$ (Unknown MSRP vs $229 MSRP).
- ❌630% higher power demand at 365W vs 50W.
MOBILITY RADEON 9800
2010Why buy it
- ✅+15% higher PassMark G3D performance.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 0.2 vs 0 G3D/$ ($229 MSRP vs Unknown MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (256 MB vs 128 MB).
- ✅Draws 50W instead of 365W, a 315W reduction.
Trade-offs
- ❌2010 hardware with 256 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 FX 5900XT vs MOBILITY RADEON 9800 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce FX 5900XT
The GeForce FX 5900XT is manufactured by NVIDIA. It was released in March 24 2011. It features the Rankine architecture. The core clock speed is 607 MHz. It has 1024 ×2 shading units. The thermal design power (TDP) is 365W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 40 points. Launch price was $699.

MOBILITY RADEON 9800
The MOBILITY RADEON 9800 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: 46 points.
Graphics Performance
In G3D Mark, the GeForce FX 5900XT scores 40 versus the MOBILITY RADEON 9800's 46 — the MOBILITY RADEON 9800 leads by 15%. The GeForce FX 5900XT is built on Rankine while the MOBILITY RADEON 9800 uses TeraScale 2, both on a 40 nm process. Shader units: 1,024 (GeForce FX 5900XT) vs 800 (MOBILITY RADEON 9800). Raw compute: 1.244 TFLOPS ×2 (GeForce FX 5900XT) vs 1.12 TFLOPS (MOBILITY RADEON 9800).
| Feature | GeForce FX 5900XT | MOBILITY RADEON 9800 |
|---|---|---|
| G3D Mark Score | 40 | 46+15% |
| Architecture | Rankine | TeraScale 2 |
| Process Node | 40 nm | 40 nm |
| Shading Units | 1024 ×2+28% | 800 |
| Compute (TFLOPS) | 1.244 TFLOPS ×2+11% | 1.12 TFLOPS |
| ROPs | 48 ×2+200% | 16 |
| TMUs | 64 ×2+60% | 40 |
| L1 Cache | 1 MB+1150% | 0.08 MB |
| L2 Cache | 768 KB+200% | 256 KB |
Advanced Features (DLSS/FSR)
The GeForce FX 5900XT gets NVIDIA DLSS, which still tends to look cleaner in motion. The MOBILITY RADEON 9800 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce FX 5900XT | MOBILITY RADEON 9800 |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce FX 5900XT has 128 MB of VRAM, while the MOBILITY RADEON 9800 carries 256 MB. MOBILITY RADEON 9800 gives you 100% 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 FX 5900XT and 128-bit on the MOBILITY RADEON 9800. L2 Cache: 768 KB (GeForce FX 5900XT) vs 256 KB (MOBILITY RADEON 9800) — the GeForce FX 5900XT has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce FX 5900XT | MOBILITY RADEON 9800 |
|---|---|---|
| VRAM Capacity | 0.125 GB | 0.25 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 768 KB+200% | 256 KB |
Display & API Support
DirectX support: 9.0a (GeForce FX 5900XT) vs 9.0b (MOBILITY RADEON 9800). OpenGL: 1.5 vs 2.1. Maximum simultaneous displays: 1 vs 2.
| Feature | GeForce FX 5900XT | MOBILITY RADEON 9800 |
|---|---|---|
| DirectX | 9.0a | 9.0b |
| OpenGL | 1.5 | 2.1+40% |
| Max Displays | 1 | 2+100% |
Power & Dimensions
The GeForce FX 5900XT draws 365W versus the MOBILITY RADEON 9800's 50W — a 151.8% difference. The MOBILITY RADEON 9800 is more power-efficient. Recommended PSU: 350W (GeForce FX 5900XT) vs 350W (MOBILITY RADEON 9800). Power connectors: Legacy vs PCIe-powered. Card length: 218mm vs 0mm, occupying 1 vs 0 slots.
| Feature | GeForce FX 5900XT | MOBILITY RADEON 9800 |
|---|---|---|
| TDP | 365W | 50W-86% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 218mm | 0mm |
| Height | — | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | — | 75 |
| Perf/Watt | 0.1 | 0.9+800% |
Value Analysis
At launch, the GeForce FX 5900XT came in at $0, while the MOBILITY RADEON 9800 launched at $229. On MSRP, GeForce FX 5900XT was 100+% cheaper ($229 less). Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (GeForce FX 5900XT) vs 0.2 (MOBILITY RADEON 9800) — the GeForce FX 5900XT offers Infinity% better value. The newer card here is GeForce FX 5900XT (2011 vs 2010).
| Feature | GeForce FX 5900XT | MOBILITY RADEON 9800 |
|---|---|---|
| MSRP | $0-100% | $229 |
| Performance per Dollar | Infinity | 0.2 |
| Codename | GF110 | Broadway |
| Release | March 24 2011 | January 7 2010 |
| Ranking | #555 | #846 |
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