
Radeon HD 5550 vs GeForce GT 620

Radeon HD 5550
Popular choices:

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 Radeon HD 5550 is positioned at rank 224 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 Radeon HD 5550
Performance Per Dollar GeForce GT 620
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GeForce GT 620 is the superior choice for raw performance. It leads with a 1% higher G3D Mark score. However, the Radeon HD 5550 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 5550 | GeForce GT 620 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1%) | ✅Leading raw performance (+1%) |
| Longevity | 🛑Obsolete Architecture (2009 / TeraScale 2 (2009−2015)) | 🛑Obsolete Architecture (2012 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+300%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| 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 $75), it costs 73% less, resulting in a 278.9% higher cost efficiency score.
| Insight | Radeon HD 5550 | GeForce GT 620 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+278.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($75) | ✅More affordable ($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 Radeon HD 5550 and GeForce GT 620

Radeon HD 5550
The Radeon HD 5550 is manufactured by AMD. It was released in September 30 2009. It features the TeraScale 2 architecture. The core clock speed is 725 MHz. It has 1440 shading units. The thermal design power (TDP) is 151W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 384 points. Launch price was $299.

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 Radeon HD 5550 scores 384 and the GeForce GT 620 reaches 388 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The Radeon HD 5550 is built on TeraScale 2 while the GeForce GT 620 uses Kepler, both on 40 nm vs 28 nm. Shader units: 1,440 (Radeon HD 5550) vs 384 (GeForce GT 620). Raw compute: 2.088 TFLOPS (Radeon HD 5550) vs 0.6927 TFLOPS (GeForce GT 620).
| Feature | Radeon HD 5550 | GeForce GT 620 |
|---|---|---|
| G3D Mark Score | 384 | 388+1% |
| Architecture | TeraScale 2 | Kepler |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1440+275% | 384 |
| Compute (TFLOPS) | 2.088 TFLOPS+201% | 0.6927 TFLOPS |
| ROPs | 32+100% | 16 |
| TMUs | 72+125% | 32 |
| L1 Cache | 144 KB+350% | 32 KB |
| L2 Cache | 512 KB+100% | 256 KB |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 5550 | 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 Radeon HD 5550 comes with 2 GB of VRAM, while the GeForce GT 620 has 512 MB. The Radeon HD 5550 offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 512 KB (Radeon HD 5550) vs 256 KB (GeForce GT 620) — the Radeon HD 5550 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 5550 | GeForce GT 620 |
|---|---|---|
| VRAM Capacity | 2 GB+300% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 11.2 (11_0) (Radeon HD 5550) vs 11.0 (GeForce GT 620). Vulkan: N/A vs None. OpenGL: 4.4 vs 4.2. Maximum simultaneous displays: 3 vs 3.
| Feature | Radeon HD 5550 | GeForce GT 620 |
|---|---|---|
| DirectX | 11.2 (11_0)+2% | 11.0 |
| Vulkan | N/A | None |
| OpenGL | 4.4+5% | 4.2 |
| Max Displays | 3 | 3 |
Media & Encoding
Hardware encoder: None (Radeon HD 5550) vs No (GeForce GT 620). Decoder: UVD 2.2 vs PureVideo HD VP5. Supported codecs: H.264,VC-1,MPEG-2 (Radeon HD 5550) vs MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 620).
| Feature | Radeon HD 5550 | 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 Radeon HD 5550 draws 151W versus the GeForce GT 620's 65W — a 79.6% difference. The GeForce GT 620 is more power-efficient. Recommended PSU: 200W (Radeon HD 5550) vs 250W (GeForce GT 620). Power connectors: None vs None. Card length: 168mm vs 145mm, occupying 1 vs 1 slots. Typical load temperature: 70 vs 70°C.
| Feature | Radeon HD 5550 | GeForce GT 620 |
|---|---|---|
| TDP | 151W | 65W-57% |
| Recommended PSU | 200W-20% | 250W |
| Power Connector | None | None |
| Length | 168mm | 145mm |
| Height | 69mm | 111mm |
| Slots | 1 | 1 |
| Temp (Load) | 70 | 70°C |
| Perf/Watt | 2.5 | 6.0+140% |
Value Analysis
The Radeon HD 5550 launched at $75 MSRP and currently averages $75, while the GeForce GT 620 launched at $59 and now averages $20. The GeForce GT 620 costs 73.3% less ($55 savings) at current market prices. Performance per dollar (G3D Mark / price): 5.1 (Radeon HD 5550) vs 19.4 (GeForce GT 620) — the GeForce GT 620 offers 280.4% better value. The GeForce GT 620 is the newer GPU (2012 vs 2009).
| Feature | Radeon HD 5550 | GeForce GT 620 |
|---|---|---|
| MSRP | $75 | $59-21% |
| Avg Price (30d) | $75 | $20-73% |
| Performance per Dollar | 5.1 | 19.4+280% |
| Codename | Cypress | GK107 |
| Release | September 30 2009 | June 5 2012 |
| Ranking | #682 | #837 |
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