
Quadro K620

Radeon 820M
Quadro K620 vs Radeon 820M 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.
Quadro K620 vs Radeon 820M 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

Valorant

Among Us

Apex Legends

Call of Duty: Black Ops 6

Cyberpunk 2077

Deadlock
Quadro K620 vs Radeon 820M: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Quadro K620
2014Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 14.8 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
Trade-offs
- ❌Lower average FPS than Radeon 820M across 35 tracked games in our benchmark data.
- ❌2014 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌50% higher power demand at 45W vs 30W.
Radeon 820M
2024Why buy it
- ✅41.8% more average FPS across 35 tracked games in our benchmark data.
- ✅Better long-term bet: RDNA 3+ (2024) on 4nm gives it a newer hardware base for upcoming games.
- ✅Draws 30W instead of 45W, a 15W reduction.
Trade-offs
- ❌Lower G3D Mark per dollar, at 0 vs 14.8 G3D/$ (Unknown MSRP vs $150 MSRP).
Quick Answers
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Which GPU is the safer long-term pick for 2026 and beyond?
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Quadro K620 vs Radeon 820M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Quadro K620
The Quadro K620 is manufactured by NVIDIA. It was released in July 22 2014. It features the Maxwell architecture. The core clock ranges from 1058 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,213 points. Launch price was $189.89.

Radeon 820M
The Radeon 820M is manufactured by AMD. It was released in June 2 2024. It features the RDNA 3+ architecture. The boost clock speed is 2900 MHz. It has 128 shading units. The thermal design power (TDP) is 30W. Manufactured using 4 nm process technology. G3D Mark benchmark score: 2,143 points.
Graphics Performance
The Quadro K620 scores 2,213 and the Radeon 820M reaches 2,143 in the G3D Mark benchmark — just a 3.3% difference, making them near-identical in rasterization performance. The Quadro K620 is built on Maxwell while the Radeon 820M uses RDNA 3+, both on 28 nm vs 4 nm. Shader units: 384 (Quadro K620) vs 128 (Radeon 820M). Boost clocks: 1124 MHz vs 2900 MHz.
| Feature | Quadro K620 | Radeon 820M |
|---|---|---|
| G3D Mark Score | 2,213+3% | 2,143 |
| Architecture | Maxwell | RDNA 3+ |
| Process Node | 28 nm | 4 nm |
| Shading Units | 384+200% | 128 |
| Boost Clock | 1124 MHz | 2900 MHz+158% |
Advanced Features (DLSS/FSR)
| Feature | Quadro K620 | Radeon 820M |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 2 GB of video memory. Memory bus width is 64-bit on the Quadro K620 and System on the Radeon 820M.
| Feature | Quadro K620 | Radeon 820M |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | Shared |
| Bus Width | 64-bit | System |
Power & Dimensions
The Quadro K620 draws 45W versus the Radeon 820M's 30W — a 40% difference. The Radeon 820M is more power-efficient. Recommended PSU: 350W (Quadro K620) vs 350W (Radeon 820M). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | Quadro K620 | Radeon 820M |
|---|---|---|
| TDP | 45W | 30W-33% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | — | 0 |
| Temp (Load) | — | 80 |
| Perf/Watt | 49.2 | 71.4+45% |
Value Analysis
The newer card here is Radeon 820M (2024 vs 2014).
| Feature | Quadro K620 | Radeon 820M |
|---|---|---|
| MSRP | $150 | — |
| Codename | GM107 | Krackan Point |
| Release | July 22 2014 | June 2 2024 |
| Ranking | #660 | #669 |
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