
Radeon R7 A8-7690K vs Quadro K620M

Radeon R7 A8-7690K
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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 R7 A8-7690K is positioned at rank 97 and the Quadro K620M is on rank 101, so the Radeon R7 A8-7690K offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon R7 A8-7690K
Performance Per Dollar Quadro K620M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Quadro K620M is the superior choice for raw performance. It leads with a 1.6% higher G3D Mark score and 700% more VRAM (4 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R7 A8-7690K.
| Insight | Radeon R7 A8-7690K | Quadro K620M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.6%) | ✅Leading raw performance (+1.6%) |
| Longevity | 🛑Obsolete Architecture (2015 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+700%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 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 R7 A8-7690K and Quadro K620M

Radeon R7 A8-7690K
The Radeon R7 A8-7690K is manufactured by AMD. It was released in June 18 2015. It features the GCN 1.0 architecture. The boost clock speed is 975 MHz. It has 1024 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,141 points. Launch price was $149.

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 R7 A8-7690K scores 1,141 and the Quadro K620M reaches 1,159 in the G3D Mark benchmark — just a 1.6% difference, making them near-identical in rasterization performance. The Radeon R7 A8-7690K is built on GCN 1.0 while the Quadro K620M uses Maxwell, both on a 28 nm process. Shader units: 1,024 (Radeon R7 A8-7690K) vs 384 (Quadro K620M). Raw compute: 1.997 TFLOPS (Radeon R7 A8-7690K) vs 0.8632 TFLOPS (Quadro K620M). Boost clocks: 975 MHz vs 1124 MHz.
| Feature | Radeon R7 A8-7690K | Quadro K620M |
|---|---|---|
| G3D Mark Score | 1,141 | 1,159+2% |
| Architecture | GCN 1.0 | Maxwell |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1024+167% | 384 |
| Compute (TFLOPS) | 1.997 TFLOPS+131% | 0.8632 TFLOPS |
| Boost Clock | 975 MHz | 1124 MHz+15% |
| ROPs | 32+300% | 8 |
| TMUs | 64+300% | 16 |
| L1 Cache | 256 KB+100% | 128 KB |
| L2 Cache | 0.5 MB | 1 MB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 A8-7690K | 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 R7 A8-7690K comes with 512 MB of VRAM, while the Quadro K620M has 4 GB. The Quadro K620M offers 700% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 0.5 MB (Radeon R7 A8-7690K) vs 1 MB (Quadro K620M) — the Quadro K620M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R7 A8-7690K | Quadro K620M |
|---|---|---|
| VRAM Capacity | 0.5 GB | 4 GB+700% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 0.5 MB | 1 MB+100% |
Power & Dimensions
The Radeon R7 A8-7690K draws 100W versus the Quadro K620M's 30W — a 107.7% difference. The Quadro K620M is more power-efficient. Recommended PSU: 350W (Radeon R7 A8-7690K) vs 350W (Quadro K620M). Power connectors: None vs PCIe-powered.
| Feature | Radeon R7 A8-7690K | Quadro K620M |
|---|---|---|
| TDP | 100W | 30W-70% |
| Recommended PSU | 350W | 350W |
| Power Connector | None | PCIe-powered |
| Length | 1mm | — |
| Slots | 0 | — |
| Perf/Watt | 11.4 | 38.6+239% |
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