
GeForce 8400 SE vs RADEON X800 XL

GeForce 8400 SE
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RADEON X800 XL
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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 8400 SE is positioned at rank 680 and the RADEON X800 XL is on rank 368, so the RADEON X800 XL offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 8400 SE
Performance Per Dollar RADEON X800 XL
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The RADEON X800 XL is significantly newer (2020 vs 2014). The RADEON X800 XL likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce 8400 SE lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The RADEON X800 XL is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score. However, the GeForce 8400 SE offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | GeForce 8400 SE | RADEON X800 XL |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.5%) | ✅Leading raw performance (+1.5%) |
| Longevity | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) | RDNA 2.0 (2020−2025) (7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The GeForce 8400 SE offers a compelling cost-to-performance ratio. Priced at $10 versus $15 for the RADEON X800 XL, it costs 33% less. While it maintains basic entry-level capabilities, this results in a 47.8% higher cost efficiency score.
| Insight | GeForce 8400 SE | RADEON X800 XL |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+47.8%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($10) | ⚠️Higher upfront cost ($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.
Technical Specifications
Side-by-side comparison of GeForce 8400 SE and RADEON X800 XL

GeForce 8400 SE
The GeForce 8400 SE is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 68 points.

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.
Graphics Performance
The GeForce 8400 SE scores 68 and the RADEON X800 XL reaches 69 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce 8400 SE is built on Maxwell while the RADEON X800 XL uses RDNA 2.0, both on 28 nm vs 7 nm. Shader units: 384 (GeForce 8400 SE) vs 4,608 (RADEON X800 XL). Raw compute: 0.8632 TFLOPS (GeForce 8400 SE) vs 20.74 TFLOPS (RADEON X800 XL). Boost clocks: 1124 MHz vs 2250 MHz.
| Feature | GeForce 8400 SE | RADEON X800 XL |
|---|---|---|
| G3D Mark Score | 68 | 69+1% |
| Architecture | Maxwell | RDNA 2.0 |
| Process Node | 28 nm | 7 nm |
| Shading Units | 384 | 4608+1100% |
| Compute (TFLOPS) | 0.8632 TFLOPS | 20.74 TFLOPS+2303% |
| Boost Clock | 1124 MHz | 2250 MHz+100% |
| ROPs | 8 | 128+1500% |
| TMUs | 16 | 288+1700% |
| L1 Cache | 0.19 MB | 1 MB+426% |
| L2 Cache | 1 MB | 4 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | GeForce 8400 SE | RADEON X800 XL |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce 8400 SE comes with 512 MB of VRAM, while the RADEON X800 XL has 256 MB. The GeForce 8400 SE offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 1 MB (GeForce 8400 SE) vs 4 MB (RADEON X800 XL) — the RADEON X800 XL has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 8400 SE | RADEON X800 XL |
|---|---|---|
| VRAM Capacity | 0.5 GB+100% | 0.25 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 1 MB | 4 MB+300% |
Power & Dimensions
The GeForce 8400 SE draws 33W versus the RADEON X800 XL's 300W — a 160.4% difference. The GeForce 8400 SE is more power-efficient. Recommended PSU: 350W (GeForce 8400 SE) vs 350W (RADEON X800 XL). Power connectors: Legacy vs Legacy.
| Feature | GeForce 8400 SE | RADEON X800 XL |
|---|---|---|
| TDP | 33W-89% | 300W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | Legacy |
| Length | 168mm | — |
| Height | 69mm | — |
| Slots | 1 | — |
| Temp (Load) | 85 | — |
| Perf/Watt | 2.1+950% | 0.2 |
Value Analysis
The GeForce 8400 SE launched at $50 MSRP and currently averages $10, while the RADEON X800 XL launched at $349 and now averages $15. The GeForce 8400 SE costs 33.3% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 6.8 (GeForce 8400 SE) vs 4.6 (RADEON X800 XL) — the GeForce 8400 SE offers 47.8% better value. The RADEON X800 XL is the newer GPU (2020 vs 2014).
| Feature | GeForce 8400 SE | RADEON X800 XL |
|---|---|---|
| MSRP | $50-86% | $349 |
| Avg Price (30d) | $10-33% | $15 |
| Performance per Dollar | 6.8+48% | 4.6 |
| Codename | GM108 | Navi 21 |
| Release | March 17 2014 | October 28 2020 |
| Ranking | #850 | #42 |
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