GeForce GT 620
Mobility Radeon HD 4650
GeForce GT 620 vs Mobility Radeon HD 4650 Performance Spectrum
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.
GeForce GT 620 vs Mobility Radeon HD 4650 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
GeForce GT 620 vs Mobility Radeon HD 4650: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce GT 620
2012Why buy it
- ✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
- ❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌20.4% HIGHER MSRP$59 MSRPvs$49 MSRP
- ❌Lower G3D Mark per dollar, at 6.6 vs 8.2 G3D/$ ($59 MSRP vs $49 MSRP).
- ❌30% higher power demand at 65W vs 50W.
Mobility Radeon HD 4650
2010Why buy it
- ✅Costs $10 less on MSRP ($49 MSRP vs $59 MSRP).
- ✅Delivers 24.4% more G3D Mark for each dollar spent, at 8.2 vs 6.6 G3D/$ ($49 MSRP vs $59 MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
- ✅Draws 50W instead of 65W, a 15W reduction.
Trade-offs
- ❌2010 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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GeForce GT 620 vs Mobility Radeon HD 4650 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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)
The GeForce GT 620 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Mobility Radeon HD 4650 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GT 620 has 512 MB of VRAM, while the Mobility Radeon HD 4650 carries 1 GB. Mobility Radeon HD 4650 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GT 620 and 128-bit on the Mobility Radeon HD 4650.
| 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
At launch, the GeForce GT 620 came in at $59, while the Mobility Radeon HD 4650 launched at $49. On MSRP, Mobility Radeon HD 4650 was 16.9% cheaper ($10 less). Performance per dollar on MSRP (G3D Mark / MSRP): 6.6 (GeForce GT 620) vs 8.2 (Mobility Radeon HD 4650) — the Mobility Radeon HD 4650 offers 24.2% better value. The newer card here is GeForce GT 620 (2012 vs 2010).
| Feature | GeForce GT 620 | Mobility Radeon HD 4650 |
|---|---|---|
| MSRP | $59 | $49-17% |
| Performance per Dollar | 6.6 | 8.2+24% |
| Codename | GK107 | Broadway |
| Release | June 5 2012 | January 7 2010 |
| Ranking | #837 | #846 |
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