
GeForce 8400M G vs Radeon HD 4270

GeForce 8400M G
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Radeon HD 4270
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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 8400M G is positioned at rank 635 and the Radeon HD 4270 is on rank 310, so the Radeon HD 4270 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 8400M G
Performance Per Dollar Radeon HD 4270
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce 8400M G is significantly newer (2014 vs 2008). The GeForce 8400M G likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 4270 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon HD 4270 is the superior choice for raw performance. It leads with a 4.8% 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 GeForce 8400M G.
| Insight | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-4.8%) | ✅Leading raw performance (+4.8%) |
| Longevity | 🛑Obsolete Architecture (2014 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2008 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
The Radeon HD 4270 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 4270 holds the technical lead. Priced at $10 (vs $20), it costs 50% less, resulting in a 109.5% higher cost efficiency score.
| Insight | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+109.5%) |
| 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 GeForce 8400M G and Radeon HD 4270

GeForce 8400M G
The GeForce 8400M G 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: 105 points.

Radeon HD 4270
The Radeon HD 4270 is manufactured by AMD. It was released in June 25 2008. It features the TeraScale architecture. The core clock speed is 750 MHz. It has 800 shading units. The thermal design power (TDP) is 150W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 110 points. Launch price was $299.
Graphics Performance
The GeForce 8400M G scores 105 and the Radeon HD 4270 reaches 110 in the G3D Mark benchmark — just a 4.8% difference, making them near-identical in rasterization performance. The GeForce 8400M G is built on Maxwell while the Radeon HD 4270 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 384 (GeForce 8400M G) vs 800 (Radeon HD 4270). Raw compute: 0.8632 TFLOPS (GeForce 8400M G) vs 1.2 TFLOPS (Radeon HD 4270).
| Feature | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| G3D Mark Score | 105 | 110+5% |
| Architecture | Maxwell | TeraScale |
| Process Node | 28 nm | 55 nm |
| Shading Units | 384 | 800+108% |
| Compute (TFLOPS) | 0.8632 TFLOPS | 1.2 TFLOPS+39% |
| ROPs | 8 | 16+100% |
| TMUs | 16 | 40+150% |
| L1 Cache | 192 KB+20% | 160 KB |
| L2 Cache | 1 MB+300% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| 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 8400M G comes with 128 MB of VRAM, while the Radeon HD 4270 has 512 MB. The Radeon HD 4270 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 1 MB (GeForce 8400M G) vs 0.25 MB (Radeon HD 4270) — the GeForce 8400M G has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| VRAM Capacity | 0.125 GB | 0.5 GB+300% |
| 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: 11.1 (GeForce 8400M G) vs 10.1 (Radeon HD 4270). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| DirectX | 11.1+10% | 10.1 |
| OpenGL | 3.3 | 3.3 |
| Max Displays | 2 | 2 |
Media & Encoding
Decoder: PureVideo HD vs UVD 2. Supported codecs: MPEG-2,H.264 (GeForce 8400M G) vs H.264,VC-1,MPEG-2 (Radeon HD 4270).
| Feature | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| Encoder | PureVideo HD | — |
| Decoder | PureVideo HD | UVD 2 |
| Codecs | MPEG-2,H.264 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce 8400M G draws 33W versus the Radeon HD 4270's 150W — a 127.9% difference. The GeForce 8400M G is more power-efficient. Recommended PSU: 350W (GeForce 8400M G) vs 350W (Radeon HD 4270). Power connectors: Legacy vs 1x 6-pin. Typical load temperature: 75°C vs 70°C.
| Feature | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| TDP | 33W-78% | 150W |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | 1x 6-pin |
| Slots | 0 | — |
| Temp (Load) | 75°C | 70°C-7% |
| Perf/Watt | 3.2+357% | 0.7 |
Value Analysis
The GeForce 8400M G launched at $50 MSRP and currently averages $20, while the Radeon HD 4270 launched at $50 and now averages $10. The Radeon HD 4270 costs 50% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.3 (GeForce 8400M G) vs 11.0 (Radeon HD 4270) — the Radeon HD 4270 offers 107.5% better value. The GeForce 8400M G is the newer GPU (2014 vs 2008).
| Feature | GeForce 8400M G | Radeon HD 4270 |
|---|---|---|
| MSRP | $50 | $50 |
| Avg Price (30d) | $20 | $10-50% |
| Performance per Dollar | 5.3 | 11.0+108% |
| Codename | GM108 | RV770 |
| Release | March 12 2014 | June 25 2008 |
| Ranking | #854 | #784 |
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