
RADEON X800 GT

RADEON X850 XT
RADEON X800 GT vs RADEON X850 XT 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 GT vs RADEON X850 XT 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 GT vs RADEON X850 XT: 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 GT
2020Why buy it
- ✅Costs $250 less on MSRP ($249 MSRP vs $499 MSRP).
- ✅Delivers 107.8% more G3D Mark for each dollar spent, at 0.3 vs 0.2 G3D/$ ($249 MSRP vs $499 MSRP).
Trade-offs
- ❌Older hardware, 256 MB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
- ❌81.8% higher power demand at 300W vs 165W.
RADEON X850 XT
2022Why buy it
- ✅Draws 165W instead of 300W, a 135W reduction.
- ✅More future proof: RDNA 2.0 (2020−2025) on 7nm with a newer platform for upcoming games.
Trade-offs
- ❌Older hardware, 256 MB of VRAM, and weaker feature support mean it will age faster in newer AAA releases.
- ❌100.4% HIGHER MSRP$499 MSRPvs$249 MSRP
- ❌Lower G3D Mark per dollar, at 0.2 vs 0.3 G3D/$ ($499 MSRP vs $249 MSRP).
Quick Answers
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RADEON X800 GT vs RADEON X850 XT Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

RADEON X800 GT
The RADEON X800 GT 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: 84 points. Launch price was $649.

RADEON X850 XT
The RADEON X850 XT is manufactured by AMD. It was released in January 4 2022. It features the RDNA 2.0 architecture. The core clock ranges from 2321 MHz to 2581 MHz. It has 2560 shading units. The thermal design power (TDP) is 165W. Manufactured using 7 nm process technology. It features 40 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 81 points.
Graphics Performance
The RADEON X800 GT scores 84 and the RADEON X850 XT reaches 81 in the G3D Mark benchmark — just a 3.7% difference, making them near-identical in rasterization performance. The RADEON X800 GT is built on RDNA 2.0 while the RADEON X850 XT uses RDNA 2.0, both on a 7 nm process. Shader units: 4,608 (RADEON X800 GT) vs 2,560 (RADEON X850 XT). Raw compute: 20.74 TFLOPS (RADEON X800 GT) vs 13.21 TFLOPS (RADEON X850 XT). Boost clocks: 2250 MHz vs 2581 MHz. Ray tracing: 72 RT cores (RADEON X800 GT) vs 40 (RADEON X850 XT).
| Feature | RADEON X800 GT | RADEON X850 XT |
|---|---|---|
| G3D Mark Score | 84+4% | 81 |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Process Node | 7 nm | 7 nm |
| Shading Units | 4608+80% | 2560 |
| Compute (TFLOPS) | 20.74 TFLOPS+57% | 13.21 TFLOPS |
| Boost Clock | 2250 MHz | 2581 MHz+15% |
| ROPs | 128+100% | 64 |
| TMUs | 288+80% | 160 |
| L1 Cache | 1 MB+100% | 0.5 MB |
| L2 Cache | 4 MB+33% | 3 MB |
| Ray Tracing Cores | 72+80% | 40 |
Advanced Features (DLSS/FSR)
| Feature | RADEON X800 GT | RADEON X850 XT |
|---|---|---|
| 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)
Both cards ship with 256 MB of GDDR5. Memory bus width is 64-bit on the RADEON X800 GT and 64-bit on the RADEON X850 XT. L2 Cache: 4 MB (RADEON X800 GT) vs 3 MB (RADEON X850 XT) — the RADEON X800 GT has significantly larger on-die cache to reduce VRAM reliance.
| Feature | RADEON X800 GT | RADEON X850 XT |
|---|---|---|
| VRAM Capacity | 0.25 GB | 0.25 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 4 MB+33% | 3 MB |
Power & Dimensions
The RADEON X800 GT draws 300W versus the RADEON X850 XT's 165W — a 58.1% difference. The RADEON X850 XT is more power-efficient. Recommended PSU: 350W (RADEON X800 GT) vs 350W (RADEON X850 XT). Power connectors: Legacy vs Legacy.
| Feature | RADEON X800 GT | RADEON X850 XT |
|---|---|---|
| TDP | 300W | 165W-45% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | Legacy |
| Length | — | 186mm |
| Slots | — | 2 |
| Perf/Watt | 0.3 | 0.5+67% |
Value Analysis
At launch, the RADEON X800 GT came in at $249, while the RADEON X850 XT launched at $499. On MSRP, RADEON X800 GT was 50.1% cheaper ($250 less). Performance per dollar on MSRP (G3D Mark / MSRP): 0.3 (RADEON X800 GT) vs 0.2 (RADEON X850 XT) — the RADEON X800 GT offers 50% better value. The newer card here is RADEON X850 XT (2022 vs 2020).
| Feature | RADEON X800 GT | RADEON X850 XT |
|---|---|---|
| MSRP | $249-50% | $499 |
| Performance per Dollar | 0.3+50% | 0.2 |
| Codename | Navi 21 | Navi 22 |
| Release | October 28 2020 | January 4 2022 |
| Ranking | #42 | #103 |
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