Mobility Radeon HD 4650 vs GeForce GT 620
Mobility Radeon HD 4650
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GeForce GT 620
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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 HD 4650 is positioned at rank 398 and the GeForce GT 620 is on rank 190, so the GeForce GT 620 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 HD 4650
Performance Per Dollar GeForce GT 620
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Mobility Radeon HD 4650 is the superior choice for raw performance. It leads with a 3.4% 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 GT 620.
| Insight | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| Performance | ✅Leading raw performance (+3.4%) | ❌Lower raw frame rates (-3.4%) |
| Longevity | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| 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 Mobility Radeon HD 4650 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Mobility Radeon HD 4650 holds the technical lead. Priced at $15 (vs $20), it costs 25% less, resulting in a 37.8% higher cost efficiency score.
| Insight | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+37.8%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($15) | ⚠️Higher upfront cost ($20) |
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 HD 4650 and GeForce GT 620
Mobility Radeon HD 4650
The Mobility Radeon HD 4650 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: 401 points.
GeForce GT 620
The GeForce GT 620 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 388 points. Launch price was $99.
Graphics Performance
The Mobility Radeon HD 4650 scores 401 and the GeForce GT 620 reaches 388 in the G3D Mark benchmark — just a 3.4% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 4650 is built on TeraScale 2 while the GeForce GT 620 uses Kepler, both on 40 nm vs 28 nm. Shader units: 800 (Mobility Radeon HD 4650) vs 384 (GeForce GT 620). Raw compute: 1.12 TFLOPS (Mobility Radeon HD 4650) vs 0.6927 TFLOPS (GeForce GT 620).
| Feature | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| G3D Mark Score | 401+3% | 388 |
| Architecture | TeraScale 2 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 800+108% | 384 |
| Compute (TFLOPS) | 1.12 TFLOPS+62% | 0.6927 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 40+25% | 32 |
| L1 Cache | 80 KB+150% | 32 KB |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| 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 HD 4650 comes with 1 GB of VRAM, while the GeForce GT 620 has 512 MB. The Mobility Radeon HD 4650 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 256 KB | 256 KB |
Display & API Support
DirectX support: 10.1 (Mobility Radeon HD 4650) vs 11.0 (GeForce GT 620). Vulkan: N/A vs None. OpenGL: 3.3 vs 4.2. Maximum simultaneous displays: 2 vs 3.
| Feature | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| DirectX | 10.1 | 11.0+9% |
| Vulkan | N/A | None |
| OpenGL | 3.3 | 4.2+27% |
| Max Displays | 2 | 3+50% |
Media & Encoding
Hardware encoder: None (Mobility Radeon HD 4650) vs No (GeForce GT 620). Decoder: UVD 2.2 vs PureVideo HD VP5. Supported codecs: H.264,VC-1,MPEG-2 (Mobility Radeon HD 4650) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 620).
| Feature | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| Encoder | None | No |
| Decoder | UVD 2.2 | PureVideo HD VP5 |
| Codecs | H.264,VC-1,MPEG-2 | MPEG-2,H.264,VC-1,MPEG-4 ASP |
Power & Dimensions
The Mobility Radeon HD 4650 draws 50W versus the GeForce GT 620's 65W — a 26.1% difference. The Mobility Radeon HD 4650 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4650) vs 250W (GeForce GT 620). Power connectors: PCIe-powered vs None. Card length: 0mm vs 145mm, occupying 0 vs 1 slots. Typical load temperature: 80 vs 70°C.
| Feature | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| TDP | 50W-23% | 65W |
| Recommended PSU | 350W | 250W-29% |
| Power Connector | PCIe-powered | None |
| Length | 0mm | 145mm |
| Height | 0mm | 111mm |
| Slots | 0-100% | 1 |
| Temp (Load) | 80 | 70°C-13% |
| Perf/Watt | 8.0+33% | 6.0 |
Value Analysis
The Mobility Radeon HD 4650 launched at $49 MSRP and currently averages $15, while the GeForce GT 620 launched at $59 and now averages $20. The Mobility Radeon HD 4650 costs 25% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 26.7 (Mobility Radeon HD 4650) vs 19.4 (GeForce GT 620) — the Mobility Radeon HD 4650 offers 37.6% better value. The GeForce GT 620 is the newer GPU (2012 vs 2010).
| Feature | Mobility Radeon HD 4650 | GeForce GT 620 |
|---|---|---|
| MSRP | $49-17% | $59 |
| Avg Price (30d) | $15-25% | $20 |
| Performance per Dollar | 26.7+38% | 19.4 |
| Codename | Broadway | GK107 |
| Release | January 7 2010 | June 5 2012 |
| Ranking | #846 | #837 |
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