
GeForce FX 5900ZT

Radeon Xpress 1270
GeForce FX 5900ZT vs Radeon Xpress 1270 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 5900ZT vs Radeon Xpress 1270 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 FX 5900ZT vs Radeon Xpress 1270: 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 5900ZT
2011Why buy it
- ✅+22.2% higher PassMark G3D performance.
Trade-offs
- ❌Less VRAM, with 128 MB vs 512 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.
- ❌143.3% higher power demand at 365W vs 150W.
Radeon Xpress 1270
2013Why buy it
- ✅300% more VRAM for high-resolution textures and newer games (512 MB vs 128 MB).
- ✅Draws 150W instead of 365W, a 215W reduction.
- ✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower PassMark G3D performance (27 vs 33).
- ❌2013 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 FX 5900ZT vs Radeon Xpress 1270 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce FX 5900ZT
The GeForce FX 5900ZT 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: 33 points. Launch price was $699.

Radeon Xpress 1270
The Radeon Xpress 1270 is manufactured by AMD. It was released in November 13 2013. It features the GCN 1.0 architecture. The boost clock speed is 925 MHz. It has 1280 shading units. The thermal design power (TDP) is 150W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 27 points. Launch price was $179.
Graphics Performance
In G3D Mark, the GeForce FX 5900ZT scores 33 versus the Radeon Xpress 1270's 27 — the GeForce FX 5900ZT leads by 22.2%. The GeForce FX 5900ZT is built on Rankine while the Radeon Xpress 1270 uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 1,024 (GeForce FX 5900ZT) vs 1,280 (Radeon Xpress 1270). Raw compute: 1.244 TFLOPS ×2 (GeForce FX 5900ZT) vs 2.368 TFLOPS (Radeon Xpress 1270).
| Feature | GeForce FX 5900ZT | Radeon Xpress 1270 |
|---|---|---|
| G3D Mark Score | 33+22% | 27 |
| Architecture | Rankine | GCN 1.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1024 ×2 | 1280+25% |
| Compute (TFLOPS) | 1.244 TFLOPS ×2 | 2.368 TFLOPS+90% |
| ROPs | 48 ×2+50% | 32 |
| TMUs | 64 ×2 | 80+25% |
| L1 Cache | 1 MB+223% | 0.31 MB |
| L2 Cache | 768 KB+50% | 512 KB |
Advanced Features (DLSS/FSR)
The GeForce FX 5900ZT gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon Xpress 1270 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce FX 5900ZT | Radeon Xpress 1270 |
|---|---|---|
| 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 5900ZT has 128 MB of VRAM, while the Radeon Xpress 1270 carries 512 MB. Radeon Xpress 1270 gives you 300% 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 5900ZT and 64-bit on the Radeon Xpress 1270. L2 Cache: 768 KB (GeForce FX 5900ZT) vs 512 KB (Radeon Xpress 1270) — the GeForce FX 5900ZT has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce FX 5900ZT | Radeon Xpress 1270 |
|---|---|---|
| VRAM Capacity | 0.125 GB | 0.5 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 768 KB+50% | 512 KB |
Display & API Support
DirectX support: 9.0a (GeForce FX 5900ZT) vs 9_0b (Radeon Xpress 1270). Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce FX 5900ZT | Radeon Xpress 1270 |
|---|---|---|
| DirectX | 9.0a | 9_0b |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: None (GeForce FX 5900ZT) vs Avivo (Radeon Xpress 1270). Decoder: None vs Avivo.
| Feature | GeForce FX 5900ZT | Radeon Xpress 1270 |
|---|---|---|
| Encoder | None | Avivo |
| Decoder | None | Avivo |
| Codecs | MPEG-2 | — |
Power & Dimensions
The GeForce FX 5900ZT draws 365W versus the Radeon Xpress 1270's 150W — a 83.5% difference. The Radeon Xpress 1270 is more power-efficient. Recommended PSU: 350W (GeForce FX 5900ZT) vs 350W (Radeon Xpress 1270). Power connectors: Legacy vs PCIe-powered. Card length: 218mm vs 0mm, occupying 1 vs 0 slots.
| Feature | GeForce FX 5900ZT | Radeon Xpress 1270 |
|---|---|---|
| TDP | 365W | 150W-59% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 218mm | 0mm |
| Height | 111mm | — |
| Slots | 1 | 0-100% |
| Temp (Load) | 70 | — |
| Perf/Watt | 0.1 | 0.2+100% |
Value Analysis
At launch, the GeForce FX 5900ZT came in at $0, while the Radeon Xpress 1270 launched at $0. Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (GeForce FX 5900ZT) vs Infinity (Radeon Xpress 1270) — the Radeon Xpress 1270 offers NaN% better value. The newer card here is Radeon Xpress 1270 (2013 vs 2011).
| Feature | GeForce FX 5900ZT | Radeon Xpress 1270 |
|---|---|---|
| MSRP | $0 | $0 |
| Performance per Dollar | Infinity | Infinity |
| Codename | GF110 | Curacao |
| Release | March 24 2011 | November 13 2013 |
| Ranking | #555 | #476 |
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