
RADEON X800 XL

Radeon X1550
RADEON X800 XL vs Radeon X1550 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.
RADEON X800 XL vs Radeon X1550 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
RADEON X800 XL vs Radeon X1550: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
RADEON X800 XL
2020Why buy it
- ✅3.1% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 0.2 vs 0 G3D/$ ($349 MSRP vs Unknown MSRP).
- ✅Radeon X1550 is already obsolete for modern gaming, so RADEON X800 XL is the less risky modern option long term.
Trade-offs
- ❌Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
- ❌Older hardware, 256 MB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
- ❌500% higher power demand at 300W vs 50W.
Radeon X1550
2017Why buy it
- ✅100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
- ✅Draws 50W instead of 300W, a 250W reduction.
Trade-offs
- ❌Lower average FPS than RADEON X800 XL across 50 tracked games in our benchmark data.
- ❌2017 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 0.2 G3D/$ (Unknown MSRP vs $349 MSRP).
Quick Answers
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RADEON X800 XL vs Radeon X1550 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

RADEON X800 XL
The RADEON X800 XL is manufactured by AMD. It was released in October 28 2020. It features the RDNA 2.0 architecture. The core clock ranges from 1825 MHz to 2250 MHz. It has 4608 shading units. The thermal design power (TDP) is 300W. Manufactured using 7 nm process technology. It features 72 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 69 points. Launch price was $649.

Radeon X1550
The Radeon X1550 is manufactured by AMD. It was released in April 20 2017. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1183 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 67 points. Launch price was $79.
Graphics Performance
The RADEON X800 XL scores 69 and the Radeon X1550 reaches 67 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The RADEON X800 XL is built on RDNA 2.0 while the Radeon X1550 uses GCN 4.0, both on 7 nm vs 14 nm. Shader units: 4,608 (RADEON X800 XL) vs 512 (Radeon X1550). Raw compute: 20.74 TFLOPS (RADEON X800 XL) vs 1.211 TFLOPS (Radeon X1550). Boost clocks: 2250 MHz vs 1183 MHz.
| Feature | RADEON X800 XL | Radeon X1550 |
|---|---|---|
| G3D Mark Score | 69+3% | 67 |
| Architecture | RDNA 2.0 | GCN 4.0 |
| Process Node | 7 nm | 14 nm |
| Shading Units | 4608+800% | 512 |
| Compute (TFLOPS) | 20.74 TFLOPS+1613% | 1.211 TFLOPS |
| Boost Clock | 2250 MHz+90% | 1183 MHz |
| ROPs | 128+700% | 16 |
| TMUs | 288+800% | 32 |
| L1 Cache | 1 MB+669% | 0.13 MB |
| L2 Cache | 4 MB+1500% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | RADEON X800 XL | Radeon X1550 |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The RADEON X800 XL has 256 MB of VRAM, while the Radeon X1550 carries 512 MB. Radeon X1550 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the RADEON X800 XL and 64-bit on the Radeon X1550. L2 Cache: 4 MB (RADEON X800 XL) vs 0.25 MB (Radeon X1550) — the RADEON X800 XL has significantly larger on-die cache to reduce VRAM reliance.
| Feature | RADEON X800 XL | Radeon X1550 |
|---|---|---|
| VRAM Capacity | 0.25 GB | 0.5 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 4 MB+1500% | 0.25 MB |
Power & Dimensions
The RADEON X800 XL draws 300W versus the Radeon X1550's 50W — a 142.9% difference. The Radeon X1550 is more power-efficient. Recommended PSU: 350W (RADEON X800 XL) vs 350W (Radeon X1550). Power connectors: Legacy vs PCIe-powered.
| Feature | RADEON X800 XL | Radeon X1550 |
|---|---|---|
| TDP | 300W | 50W-83% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | — | 168mm |
| Slots | — | 1 |
| Perf/Watt | 0.2 | 1.3+550% |
Value Analysis
At launch, the RADEON X800 XL came in at $349, while the Radeon X1550 launched at $0. On MSRP, Radeon X1550 was 100+% cheaper ($349 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.2 (RADEON X800 XL) vs Infinity (Radeon X1550) — the Radeon X1550 offers Infinity% better value. The newer card here is RADEON X800 XL (2020 vs 2017).
| Feature | RADEON X800 XL | Radeon X1550 |
|---|---|---|
| MSRP | $349 | $0-100% |
| Performance per Dollar | 0.2 | Infinity |
| Codename | Navi 21 | Lexa |
| Release | October 28 2020 | April 20 2017 |
| Ranking | #42 | #668 |
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