GeForce GT 620 vs GeForce GT 420M
GeForce GT 620
Popular choices:
GeForce GT 420M
Popular choices:
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 GeForce GT 420M is on rank 113, so the GeForce GT 420M 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 GeForce GT 420M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 420M is the superior choice for raw performance. It leads with a 1% higher G3D Mark score. 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 | GeForce GT 420M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1%) | ✅Leading raw performance (+1%) |
| Longevity | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce GT 420M 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 GT 620 and GeForce GT 420M
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.
GeForce GT 420M
The GeForce GT 420M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 392 points.
Graphics Performance
The GeForce GT 620 scores 388 and the GeForce GT 420M reaches 392 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The GeForce GT 620 is built on Kepler while the GeForce GT 420M uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce GT 620) vs 384 (GeForce GT 420M). Raw compute: 0.6927 TFLOPS (GeForce GT 620) vs 0.48 TFLOPS (GeForce GT 420M).
| Feature | GeForce GT 620 | GeForce GT 420M |
|---|---|---|
| G3D Mark Score | 388 | 392+1% |
| Architecture | Kepler | Kepler |
| Process Node | 28 nm | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.6927 TFLOPS+44% | 0.48 TFLOPS |
| ROPs | 16 | 16 |
| TMUs | 32 | 32 |
| L1 Cache | 32 KB | 32 KB |
| L2 Cache | 256 KB | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | GeForce GT 620 | GeForce GT 420M |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
Both cards feature 512 MB of GDDR5. Bus width: 128-bit vs 128-bit.
| Feature | GeForce GT 620 | GeForce GT 420M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 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: 11.0 (GeForce GT 620) vs 11.0 (GeForce GT 420M). Vulkan: None vs None. OpenGL: 4.2 vs 4.0. Maximum simultaneous displays: 3 vs 1.
| Feature | GeForce GT 620 | GeForce GT 420M |
|---|---|---|
| DirectX | 11.0 | 11.0 |
| Vulkan | None | None |
| OpenGL | 4.2+5% | 4.0 |
| Max Displays | 3+200% | 1 |
Media & Encoding
Hardware encoder: No (GeForce GT 620) vs No (GeForce GT 420M). Decoder: PureVideo HD VP5 vs PureVideo HD VP4. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 620) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 420M).
| Feature | GeForce GT 620 | GeForce GT 420M |
|---|---|---|
| Encoder | No | No |
| Decoder | PureVideo HD VP5 | PureVideo HD VP4 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP | MPEG-2,H.264,VC-1,MPEG-4 ASP |
Power & Dimensions
The GeForce GT 620 draws 65W versus the GeForce GT 420M's 32W — a 68% difference. The GeForce GT 420M is more power-efficient. Recommended PSU: 250W (GeForce GT 620) vs 350W (GeForce GT 420M). Power connectors: None vs PCIe-powered. Card length: 145mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 70°C vs 75°C.
| Feature | GeForce GT 620 | GeForce GT 420M |
|---|---|---|
| TDP | 65W | 32W-51% |
| Recommended PSU | 250W-29% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 145mm | 0mm |
| Height | 111mm | 0mm |
| Slots | 1 | 0-100% |
| Temp (Load) | 70°C-7% | 75°C |
| Perf/Watt | 6.0 | 12.3+105% |
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