GeForce GT 620 vs Mobility Radeon HD 4650
GeForce GT 620
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Mobility Radeon HD 4650
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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 GT 620 is positioned at rank 190 and the Mobility Radeon HD 4650 is on rank 398, 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 GeForce GT 620
Performance Per Dollar Mobility Radeon HD 4650
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 | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3.4%) | ✅Leading raw performance (+3.4%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2010 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| 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 | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+37.8%) |
| Upfront Cost | ⚠️Higher upfront cost ($20) | ✅More affordable ($15) |
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 GT 620 and Mobility Radeon HD 4650
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.
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.
Graphics Performance
The GeForce GT 620 scores 388 and the Mobility Radeon HD 4650 reaches 401 in the G3D Mark benchmark — just a 3.4% difference, making them near-identical in rasterization performance. The GeForce GT 620 is built on Kepler while the Mobility Radeon HD 4650 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 620) vs 800 (Mobility Radeon HD 4650). Raw compute: 0.6927 TFLOPS (GeForce GT 620) vs 1.12 TFLOPS (Mobility Radeon HD 4650).
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| G3D Mark Score | 388 | 401+3% |
| Architecture | Kepler | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 384 | 800+108% |
| Compute (TFLOPS) | 0.6927 TFLOPS | 1.12 TFLOPS+62% |
| ROPs | 16 | 16 |
| TMUs | 32 | 40+25% |
| L1 Cache | 32 KB | 80 KB+150% |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| 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 GT 620 comes with 512 MB of VRAM, while the Mobility Radeon HD 4650 has 1 GB. 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 | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| 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: 11.0 (GeForce GT 620) vs 10.1 (Mobility Radeon HD 4650). Vulkan: None vs N/A. OpenGL: 4.2 vs 3.3. Maximum simultaneous displays: 3 vs 2.
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| DirectX | 11.0+9% | 10.1 |
| Vulkan | None | N/A |
| OpenGL | 4.2+27% | 3.3 |
| Max Displays | 3+50% | 2 |
Media & Encoding
Hardware encoder: No (GeForce GT 620) vs None (Mobility Radeon HD 4650). Decoder: PureVideo HD VP5 vs UVD 2.2. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 620) vs H.264,VC-1,MPEG-2 (Mobility Radeon HD 4650).
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| Encoder | No | None |
| Decoder | PureVideo HD VP5 | UVD 2.2 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,VC-1,MPEG-2 |
Power & Dimensions
The GeForce GT 620 draws 65W versus the Mobility Radeon HD 4650's 50W — a 26.1% difference. The Mobility Radeon HD 4650 is more power-efficient. Recommended PSU: 250W (GeForce GT 620) vs 350W (Mobility Radeon HD 4650). Power connectors: None vs PCIe-powered. Card length: 145mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 70°C vs 80.
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| TDP | 65W | 50W-23% |
| Recommended PSU | 250W-29% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 145mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 70°C-13% | 80 |
| Perf/Watt | 6.0 | 8.0+33% |
Value Analysis
The GeForce GT 620 launched at $59 MSRP and currently averages $20, while the Mobility Radeon HD 4650 launched at $49 and now averages $15. The Mobility Radeon HD 4650 costs 25% less ($5 savings) at current market prices. Performance per dollar (G3D Mark / price): 19.4 (GeForce GT 620) vs 26.7 (Mobility Radeon HD 4650) — the Mobility Radeon HD 4650 offers 37.6% better value. The GeForce GT 620 is the newer GPU (2012 vs 2010).
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| MSRP | $59 | $49-17% |
| Avg Price (30d) | $20 | $15-25% |
| Performance per Dollar | 19.4 | 26.7+38% |
| Codename | GK107 | Broadway |
| Release | June 5 2012 | January 7 2010 |
| Ranking | #837 | #846 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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