CPU
GPU
Radeon HD 7620G + HD 8600M Dual
Popular choices:
GeForce GT 420
Popular choices:
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 7620G + HD 8600M Dual is positioned at rank 581 and the GeForce GT 420 is on rank 214, so the GeForce GT 420 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 7620G + HD 8600M Dual
Performance Per Dollar GeForce GT 420
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7620G + HD 8600M Dual is the superior choice for raw performance. It leads with a 2.5% higher G3D Mark score. However, the GeForce GT 420 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 7620G + HD 8600M Dual | GeForce GT 420 |
|---|---|---|
| Performance | ✅Leading raw performance (+2.5%) | ❌Lower raw frame rates (-2.5%) |
| Longevity | 🛑Obsolete Architecture (2013 / Legacy) | 🛑Obsolete Architecture (2014 / Kepler (2012−2018)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
The Radeon HD 7620G + HD 8600M Dual offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7620G + HD 8600M Dual holds the technical lead. Priced at $30 (vs $79), it costs 62% less, resulting in a 170% higher cost efficiency score.
| Insight | Radeon HD 7620G + HD 8600M Dual | GeForce GT 420 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+170%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($30) | ⚠️Higher upfront cost ($79) |
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 7620G + HD 8600M Dual and GeForce GT 420
Radeon HD 7620G + HD 8600M Dual
The Radeon HD 7620G + HD 8600M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 775 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 443 points.
GeForce GT 420
The GeForce GT 420 is manufactured by NVIDIA. It was released in May 29 2014. It features the Kepler architecture. The core clock speed is 993 MHz. It has 384 shading units. The thermal design power (TDP) is 64W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 432 points. Launch price was $89.
Graphics Performance
The Radeon HD 7620G + HD 8600M Dual scores 443 and the GeForce GT 420 reaches 432 in the G3D Mark benchmark — just a 2.5% difference, making them near-identical in rasterization performance. Shader units: 768 (Radeon HD 7620G + HD 8600M Dual) vs 384 (GeForce GT 420).
| Feature | Radeon HD 7620G + HD 8600M Dual | GeForce GT 420 |
|---|---|---|
| G3D Mark Score | 443+3% | 432 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 768+100% | 384 |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7620G + HD 8600M Dual | GeForce GT 420 |
|---|---|---|
| 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 7620G + HD 8600M Dual comes with 512 MB of VRAM, while the GeForce GT 420 has 1 GB. The GeForce GT 420 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit.
| Feature | Radeon HD 7620G + HD 8600M Dual | GeForce GT 420 |
|---|---|---|
| VRAM Capacity | 0.5 GB | 1 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
Power & Dimensions
The Radeon HD 7620G + HD 8600M Dual draws 50W versus the GeForce GT 420's 64W — a 24.6% difference. The Radeon HD 7620G + HD 8600M Dual is more power-efficient. Recommended PSU: 350W (Radeon HD 7620G + HD 8600M Dual) vs 250W (GeForce GT 420). Power connectors: 1x 6-pin vs None.
| Feature | Radeon HD 7620G + HD 8600M Dual | GeForce GT 420 |
|---|---|---|
| TDP | 50W-22% | 64W |
| Recommended PSU | 350W | 250W-29% |
| Power Connector | 1x 6-pin | None |
| Length | — | 145mm |
| Height | — | 69mm |
| Slots | — | 1 |
| Temp (Load) | — | 80 |
| Perf/Watt | 8.9+31% | 6.8 |
Value Analysis
The Radeon HD 7620G + HD 8600M Dual launched at $140 MSRP and currently averages $30, while the GeForce GT 420 launched at $79 and now averages $79. The Radeon HD 7620G + HD 8600M Dual costs 62% less ($49 savings) at current market prices. Performance per dollar (G3D Mark / price): 14.8 (Radeon HD 7620G + HD 8600M Dual) vs 5.5 (GeForce GT 420) — the Radeon HD 7620G + HD 8600M Dual offers 169.1% better value. The GeForce GT 420 is the newer GPU (2014 vs 2013).
| Feature | Radeon HD 7620G + HD 8600M Dual | GeForce GT 420 |
|---|---|---|
| MSRP | $140 | $79-44% |
| Avg Price (30d) | $30-62% | $79 |
| Performance per Dollar | 14.8+169% | 5.5 |
| Codename | — | GK107 |
| Release | August 1 2013 | May 29 2014 |
| Ranking | #881 | #777 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.
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