GeForce 8400M GT
MOBILITY RADEON X700 XL
GeForce 8400M GT vs MOBILITY RADEON X700 XL 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 8400M GT vs MOBILITY RADEON X700 XL 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
GeForce 8400M GT vs MOBILITY RADEON X700 XL: 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 8400M GT
2014Why buy it
- ✅+11.7% higher PassMark G3D performance.
- ✅More future proof: Maxwell (2014−2017) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
- ❌2014 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
MOBILITY RADEON X700 XL
2009Why buy it
- ✅Costs $1 less on MSRP ($49 MSRP vs $50 MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
Trade-offs
- ❌Lower PassMark G3D performance (60 vs 67).
- ❌2009 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 8400M GT vs MOBILITY RADEON X700 XL Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GeForce 8400M GT
The GeForce 8400M GT is manufactured by NVIDIA. It was released in March 12 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: 67 points.
MOBILITY RADEON X700 XL
The MOBILITY RADEON X700 XL is manufactured by AMD. It was released in January 9 2009. It features the TeraScale architecture. The core clock speed is 550 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 60 points.
Graphics Performance
In G3D Mark, the GeForce 8400M GT scores 67 versus the MOBILITY RADEON X700 XL's 60 — the GeForce 8400M GT leads by 11.7%. The GeForce 8400M GT is built on Maxwell while the MOBILITY RADEON X700 XL uses TeraScale, both on 28 nm vs 55 nm. Shader units: 384 (GeForce 8400M GT) vs 800 (MOBILITY RADEON X700 XL). Raw compute: 0.8632 TFLOPS (GeForce 8400M GT) vs 0.88 TFLOPS ×2 (MOBILITY RADEON X700 XL).
| Feature | GeForce 8400M GT | MOBILITY RADEON X700 XL |
|---|---|---|
| G3D Mark Score | 67+12% | 60 |
| Architecture | Maxwell | TeraScale |
| Process Node | 28 nm | 55 nm |
| Shading Units | 384 | 800 ×2+108% |
| Compute (TFLOPS) | 0.8632 TFLOPS | 0.88 TFLOPS ×2+2% |
| ROPs | 8 | 16 ×2+100% |
| TMUs | 16 | 40 ×2+150% |
| L1 Cache | 192 KB+20% | 160 KB |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
The GeForce 8400M GT gets NVIDIA DLSS, which still tends to look cleaner in motion. The MOBILITY RADEON X700 XL leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce 8400M GT | MOBILITY RADEON X700 XL |
|---|---|---|
| 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 8400M GT has 256 MB of VRAM, while the MOBILITY RADEON X700 XL carries 512 MB. MOBILITY RADEON X700 XL gives you 100% 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 8400M GT and 64-bit on the MOBILITY RADEON X700 XL. L2 Cache: 1 MB (GeForce 8400M GT) vs 0.25 MB (MOBILITY RADEON X700 XL) — the GeForce 8400M GT has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 8400M GT | MOBILITY RADEON X700 XL |
|---|---|---|
| VRAM Capacity | 0.25 GB | 0.5 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 1 MB+300% | 0.25 MB |
Display & API Support
DirectX support: 10.0 (GeForce 8400M GT) vs 9_0b (MOBILITY RADEON X700 XL). OpenGL: 3.3 vs 2.1. Maximum simultaneous displays: 1 vs 0.
| Feature | GeForce 8400M GT | MOBILITY RADEON X700 XL |
|---|---|---|
| DirectX | 10.0+11% | 9_0b |
| OpenGL | 3.3+57% | 2.1 |
| Max Displays | 1 | 0 |
Media & Encoding
Supported codecs: MPEG-2,H.264,VC-1 (GeForce 8400M GT) vs MPEG-1,MPEG-2,DivX,WMV9 (MOBILITY RADEON X700 XL).
| Feature | GeForce 8400M GT | MOBILITY RADEON X700 XL |
|---|---|---|
| Encoder | No | — |
| Decoder | PureVideo HD VP2 | — |
| Codecs | MPEG-2,H.264,VC-1 | MPEG-1,MPEG-2,DivX,WMV9 |
Power & Dimensions
The GeForce 8400M GT draws 33W versus the MOBILITY RADEON X700 XL's 30W — a 9.5% difference. The MOBILITY RADEON X700 XL is more power-efficient. Recommended PSU: 350W (GeForce 8400M GT) vs 350W (MOBILITY RADEON X700 XL). Power connectors: Legacy vs PCIe-powered. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.
| Feature | GeForce 8400M GT | MOBILITY RADEON X700 XL |
|---|---|---|
| TDP | 33W | 30W-9% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 0mm | 1mm |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 75°C | — |
| Perf/Watt | 2.0 | 2.0 |
Value Analysis
At launch, the GeForce 8400M GT came in at $50, while the MOBILITY RADEON X700 XL launched at $49. On MSRP, MOBILITY RADEON X700 XL was 2% cheaper ($1 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.3 (GeForce 8400M GT) vs 1.2 (MOBILITY RADEON X700 XL) — the GeForce 8400M GT offers 8.3% better value. The newer card here is GeForce 8400M GT (2014 vs 2009).
| Feature | GeForce 8400M GT | MOBILITY RADEON X700 XL |
|---|---|---|
| MSRP | $50 | $49-2% |
| Performance per Dollar | 1.3+8% | 1.2 |
| Codename | GM108 | M98 |
| Release | March 12 2014 | January 9 2009 |
| Ranking | #854 | #818 |
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