
MOBILITY RADEON X700
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GeForce 8400 SE
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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 MOBILITY RADEON X700 is positioned at rank 717 and the GeForce 8400 SE is on rank 680, so the GeForce 8400 SE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar MOBILITY RADEON X700
Performance Per Dollar GeForce 8400 SE
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce 8400 SE is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score and 300% more VRAM (512 MB vs 128 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the MOBILITY RADEON X700.
| Insight | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.5%) | ✅Leading raw performance (+1.5%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce 8400 SE offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce 8400 SE holds the technical lead. Priced at $10 (vs $20), it costs 50% less, resulting in a 103% higher cost efficiency score.
| Insight | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+103%) |
| Upfront Cost | ⚠️Higher upfront cost ($20) | ✅More affordable ($10) |
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 MOBILITY RADEON X700 and GeForce 8400 SE

MOBILITY RADEON X700
The MOBILITY RADEON X700 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: 67 points.

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.
Graphics Performance
The MOBILITY RADEON X700 scores 67 and the GeForce 8400 SE reaches 68 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The MOBILITY RADEON X700 is built on TeraScale 2 while the GeForce 8400 SE uses Maxwell, both on 40 nm vs 28 nm. Shader units: 800 (MOBILITY RADEON X700) vs 384 (GeForce 8400 SE). Raw compute: 1.12 TFLOPS (MOBILITY RADEON X700) vs 0.8632 TFLOPS (GeForce 8400 SE).
| Feature | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| G3D Mark Score | 67 | 68+1% |
| Architecture | TeraScale 2 | Maxwell |
| Process Node | 40 nm | 28 nm |
| Shading Units | 800+108% | 384 |
| Compute (TFLOPS) | 1.12 TFLOPS+30% | 0.8632 TFLOPS |
| ROPs | 16+100% | 8 |
| TMUs | 40+150% | 16 |
| L1 Cache | 80 KB | 192 KB+140% |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The MOBILITY RADEON X700 comes with 128 MB of VRAM, while the GeForce 8400 SE has 512 MB. The GeForce 8400 SE offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 0.25 MB (MOBILITY RADEON X700) vs 1 MB (GeForce 8400 SE) — the GeForce 8400 SE has significantly larger on-die cache to reduce VRAM reliance.
| Feature | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| VRAM Capacity | 0.125 GB | 0.5 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.25 MB | 1 MB+300% |
Display & API Support
DirectX support: 9.0b (MOBILITY RADEON X700) vs 11.1 (10_0) (GeForce 8400 SE). OpenGL: 2.1 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| DirectX | 9.0b | 11.1 (10_0)+23% |
| OpenGL | 2.1 | 3.3+57% |
| Max Displays | 2 | 2 |
Power & Dimensions
The MOBILITY RADEON X700 draws 50W versus the GeForce 8400 SE's 33W — a 41% difference. The GeForce 8400 SE is more power-efficient. Recommended PSU: 350W (MOBILITY RADEON X700) vs 350W (GeForce 8400 SE). Power connectors: PCIe-powered vs Legacy. Typical load temperature: 80°C vs 85.
| Feature | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| TDP | 50W | 33W-34% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Legacy |
| Length | — | 168mm |
| Height | — | 69mm |
| Slots | — | 1 |
| Temp (Load) | 80°C-6% | 85 |
| Perf/Watt | 1.3 | 2.1+62% |
Value Analysis
The MOBILITY RADEON X700 launched at $100 MSRP and currently averages $20, while the GeForce 8400 SE launched at $50 and now averages $10. The GeForce 8400 SE costs 50% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 3.4 (MOBILITY RADEON X700) vs 6.8 (GeForce 8400 SE) — the GeForce 8400 SE offers 100% better value. The GeForce 8400 SE is the newer GPU (2014 vs 2010).
| Feature | MOBILITY RADEON X700 | GeForce 8400 SE |
|---|---|---|
| MSRP | $100 | $50-50% |
| Avg Price (30d) | $20 | $10-50% |
| Performance per Dollar | 3.4 | 6.8+100% |
| Codename | Broadway | GM108 |
| Release | January 7 2010 | March 17 2014 |
| Ranking | #846 | #850 |
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