GeForce 705M vs Mobility Radeon HD 4670
GeForce 705M
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Mobility Radeon HD 4670
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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 705M is positioned at rank 85 and the Mobility Radeon HD 4670 is on rank 418, so the GeForce 705M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce 705M
Performance Per Dollar Mobility Radeon HD 4670
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The GeForce 705M is significantly newer (2015 vs 2009). The GeForce 705M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Mobility Radeon HD 4670 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Mobility Radeon HD 4670 is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score and 100% more VRAM (1 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce 705M.
| Insight | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.5%) | ✅Leading raw performance (+1.5%) |
| Longevity | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Mobility Radeon HD 4670 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 705M and Mobility Radeon HD 4670
GeForce 705M
The GeForce 705M is manufactured by NVIDIA. It was released in October 27 2015. It features the Maxwell architecture. The core clock ranges from 928 MHz to 1020 MHz. It has 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 456 points.
Mobility Radeon HD 4670
The Mobility Radeon HD 4670 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 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 463 points.
Graphics Performance
The GeForce 705M scores 456 and the Mobility Radeon HD 4670 reaches 463 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce 705M is built on Maxwell while the Mobility Radeon HD 4670 uses TeraScale, both on 28 nm vs 55 nm. Shader units: 640 (GeForce 705M) vs 800 (Mobility Radeon HD 4670). Raw compute: 1.306 TFLOPS (GeForce 705M) vs 0.88 TFLOPS (Mobility Radeon HD 4670).
| Feature | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| G3D Mark Score | 456 | 463+2% |
| Architecture | Maxwell | TeraScale |
| Process Node | 28 nm | 55 nm |
| Shading Units | 640 | 800+25% |
| Compute (TFLOPS) | 1.306 TFLOPS+48% | 0.88 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 40 | 40 |
| L1 Cache | 320 KB+100% | 160 KB |
| L2 Cache | 2 MB+700% | 0.25 MB |
Advanced Features (DLSS/FSR)
| Feature | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| 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 705M comes with 512 MB of VRAM, while the Mobility Radeon HD 4670 has 1 GB. The Mobility Radeon HD 4670 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 2 MB (GeForce 705M) vs 0.25 MB (Mobility Radeon HD 4670) — the GeForce 705M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 2 MB+700% | 0.25 MB |
Display & API Support
DirectX support: 11.0 (GeForce 705M) vs 10.1 (Mobility Radeon HD 4670). Vulkan: None vs N/A. OpenGL: 4.1 vs 3.3. Maximum simultaneous displays: 2 vs 2.
| Feature | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| DirectX | 11.0+9% | 10.1 |
| Vulkan | None | N/A |
| OpenGL | 4.1+24% | 3.3 |
| Max Displays | 2 | 2 |
Media & Encoding
Hardware encoder: No (GeForce 705M) vs None (Mobility Radeon HD 4670). Decoder: PureVideo HD VP4 vs UVD 2.2. Supported codecs: H.264,VC-1,MPEG-2 (GeForce 705M) vs MPEG-2,H.264,VC-1 (Mobility Radeon HD 4670).
| Feature | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| Encoder | No | None |
| Decoder | PureVideo HD VP4 | UVD 2.2 |
| Codecs | H.264,VC-1,MPEG-2 | MPEG-2,H.264,VC-1 |
Power & Dimensions
The GeForce 705M draws 75W versus the Mobility Radeon HD 4670's 30W — a 85.7% difference. The Mobility Radeon HD 4670 is more power-efficient. Recommended PSU: 350W (GeForce 705M) vs 350W (Mobility Radeon HD 4670). Power connectors: Legacy vs PCIe-powered. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 80°C vs 70.
| Feature | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| TDP | 75W | 30W-60% |
| Recommended PSU | 350W | 350W |
| Power Connector | Legacy | PCIe-powered |
| Length | 0mm | 0mm |
| Height | 0mm | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 80°C | 70-13% |
| Perf/Watt | 6.1 | 15.4+152% |
Value Analysis
The GeForce 705M is the newer GPU (2015 vs 2009).
| Feature | GeForce 705M | Mobility Radeon HD 4670 |
|---|---|---|
| MSRP | — | $67 |
| Avg Price (30d) | — | $20 |
| Codename | GM107 | M98 |
| Release | October 27 2015 | January 9 2009 |
| Ranking | #671 | #927 |
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