Radeon HD 4850 X2 vs Quadro K620M
Radeon HD 4850 X2
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Quadro K620M
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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 4850 X2 is positioned at rank 291 and the Quadro K620M is on rank 101, so the Quadro K620M 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 4850 X2
Performance Per Dollar Quadro K620M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Quadro K620M is significantly newer (2015 vs 2008). The Quadro K620M likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 4850 X2 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Quadro K620M is the superior choice for raw performance. It leads with a 2.4% higher G3D Mark score and 300% more VRAM (4 GB vs 1 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 4850 X2.
| Insight | Radeon HD 4850 X2 | Quadro K620M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.4%) | ✅Leading raw performance (+2.4%) |
| Longevity | 🛑Obsolete Architecture (2008 / TeraScale (2005−2013)) | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+300%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | Standard Size (267mm) | — |
💎 Value Proposition
While current pricing data is unavailable, the Quadro K620M 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 Radeon HD 4850 X2 and Quadro K620M
Radeon HD 4850 X2
The Radeon HD 4850 X2 is manufactured by AMD. It was released in November 7 2008. It features the TeraScale architecture. The core clock speed is 625 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 250W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 1,132 points. Launch price was $420.
Quadro K620M
The Quadro K620M is manufactured by NVIDIA. It was released in March 1 2015. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,159 points.
Graphics Performance
The Radeon HD 4850 X2 scores 1,132 and the Quadro K620M reaches 1,159 in the G3D Mark benchmark — just a 2.4% difference, making them near-identical in rasterization performance. The Radeon HD 4850 X2 is built on TeraScale while the Quadro K620M uses Maxwell, both on 55 nm vs 28 nm. Shader units: 800 (Radeon HD 4850 X2) vs 384 (Quadro K620M). Raw compute: 1 TFLOPS ×2 (Radeon HD 4850 X2) vs 0.8632 TFLOPS (Quadro K620M).
| Feature | Radeon HD 4850 X2 | Quadro K620M |
|---|---|---|
| G3D Mark Score | 1,132 | 1,159+2% |
| Architecture | TeraScale | Maxwell |
| Process Node | 55 nm | 28 nm |
| Shading Units | 800 ×2+108% | 384 |
| Compute (TFLOPS) | 1 TFLOPS ×2+16% | 0.8632 TFLOPS |
| ROPs | 16 ×2+100% | 8 |
| TMUs | 40 ×2+150% | 16 |
| L1 Cache | 160 KB+25% | 128 KB |
| L2 Cache | 0.25 MB | 1 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 4850 X2 | Quadro K620M |
|---|---|---|
| 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 4850 X2 comes with 1 GB of VRAM, while the Quadro K620M has 4 GB. The Quadro K620M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 64-bit vs 64-bit. L2 Cache: 0.25 MB (Radeon HD 4850 X2) vs 1 MB (Quadro K620M) — the Quadro K620M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 4850 X2 | Quadro K620M |
|---|---|---|
| VRAM Capacity | 1 GB | 4 GB+300% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 0.25 MB | 1 MB+300% |
Power & Dimensions
The Radeon HD 4850 X2 draws 250W versus the Quadro K620M's 30W — a 157.1% difference. The Quadro K620M is more power-efficient. Recommended PSU: 500W (Radeon HD 4850 X2) vs 350W (Quadro K620M). Power connectors: 1x 6-pin + 1x 8-pin vs PCIe-powered.
| Feature | Radeon HD 4850 X2 | Quadro K620M |
|---|---|---|
| TDP | 250W | 30W-88% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 1x 6-pin + 1x 8-pin | PCIe-powered |
| Length | 267mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 95 | — |
| Perf/Watt | 4.5 | 38.6+758% |
Value Analysis
The Quadro K620M is the newer GPU (2015 vs 2008).
| Feature | Radeon HD 4850 X2 | Quadro K620M |
|---|---|---|
| MSRP | $399 | — |
| Avg Price (30d) | $40 | — |
| Codename | R700 | GM108 |
| Release | November 7 2008 | March 1 2015 |
| Ranking | #848 | #842 |
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