GeForce GT 620 vs Radeon HD 3850
GeForce GT 620
Popular choices:
Radeon HD 3850
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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 Radeon HD 3850 is on rank 308, 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 Radeon HD 3850
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 3850 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 | Radeon HD 3850 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-3.4%) | ✅Leading raw performance (+3.4%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | 📏 Compact / SFF Friendly |
💎 Value Proposition
The GeForce GT 620 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 620 holds the technical lead. Priced at $20 (vs $179), it costs 89% less, resulting in a 766% higher cost efficiency score.
| Insight | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+766%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($20) | ⚠️Higher upfront cost ($179) |
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 Radeon HD 3850
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.
Radeon HD 3850
The Radeon HD 3850 is manufactured by AMD. It was released in March 5 2012. It features the GCN 1.0 architecture. The boost clock speed is 1000 MHz. It has 1024 shading units. The thermal design power (TDP) is 130W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 401 points. Launch price was $249.
Graphics Performance
The GeForce GT 620 scores 388 and the Radeon HD 3850 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 Radeon HD 3850 uses GCN 1.0, both on a 28 nm process. Shader units: 384 (GeForce GT 620) vs 1,024 (Radeon HD 3850). Raw compute: 0.6927 TFLOPS (GeForce GT 620) vs 1.761 TFLOPS (Radeon HD 3850).
| Feature | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| G3D Mark Score | 388 | 401+3% |
| Architecture | Kepler | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 1024+167% |
| Compute (TFLOPS) | 0.6927 TFLOPS | 1.761 TFLOPS+154% |
| ROPs | 16 | 32+100% |
| TMUs | 32 | 64+100% |
| L1 Cache | 32 KB | 256 KB+700% |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| 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 Radeon HD 3850 has 1 GB. The Radeon HD 3850 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 256 KB (GeForce GT 620) vs 512 KB (Radeon HD 3850) — the Radeon HD 3850 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| 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 | 512 KB+100% |
Display & API Support
DirectX support: 11.0 (GeForce GT 620) vs 10.1 (Radeon HD 3850). OpenGL: 4.2 vs 3.3. Maximum simultaneous displays: 3 vs 2.
| Feature | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| DirectX | 11.0+9% | 10.1 |
| OpenGL | 4.2+27% | 3.3 |
| Max Displays | 3+50% | 2 |
Media & Encoding
Decoder: PureVideo HD VP5 vs UVD+. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 620) vs H.264,VC-1,DivX,MPEG-1,MPEG-2 (Radeon HD 3850).
| Feature | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| Encoder | No | — |
| Decoder | PureVideo HD VP5 | UVD+ |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | H.264,VC-1,DivX,MPEG-1,MPEG-2 |
Power & Dimensions
The GeForce GT 620 draws 65W versus the Radeon HD 3850's 130W — a 66.7% difference. The GeForce GT 620 is more power-efficient. Recommended PSU: 250W (GeForce GT 620) vs 450W (Radeon HD 3850). Power connectors: None vs 1x 6-pin. Card length: 145mm vs 208mm, occupying 1 vs 1 slots. Typical load temperature: 70°C vs 80°C.
| Feature | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| TDP | 65W-50% | 130W |
| Recommended PSU | 250W-44% | 450W |
| Power Connector | None | 1x 6-pin |
| Length | 145mm | 208mm |
| Height | 111mm | — |
| Slots | 1 | 1 |
| Temp (Load) | 70°C-13% | 80°C |
| Perf/Watt | 6.0+94% | 3.1 |
Value Analysis
The GeForce GT 620 launched at $59 MSRP and currently averages $20, while the Radeon HD 3850 launched at $179 and now averages $179. The GeForce GT 620 costs 88.8% less ($159 savings) at current market prices. Performance per dollar (G3D Mark / price): 19.4 (GeForce GT 620) vs 2.2 (Radeon HD 3850) — the GeForce GT 620 offers 781.8% better value.
| Feature | GeForce GT 620 | Radeon HD 3850 |
|---|---|---|
| MSRP | $59-67% | $179 |
| Avg Price (30d) | $20-89% | $179 |
| Performance per Dollar | 19.4+782% | 2.2 |
| Codename | GK107 | Pitcairn |
| Release | June 5 2012 | March 5 2012 |
| Ranking | #837 | #503 |
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