Iris Plus Graphics 645 vs Radeon Vega 8 Ryzen 5 3500C
Iris Plus Graphics 645
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Radeon Vega 8 Ryzen 5 3500C
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon Vega 8 Ryzen 5 3500C
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Iris Plus Graphics 645 is the superior choice for raw performance. It leads with a 2.8% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Vega 8 Ryzen 5 3500C.
| Insight | Iris Plus Graphics 645 | Radeon Vega 8 Ryzen 5 3500C |
|---|---|---|
| Performance | ✅Leading raw performance (+2.8%) | ❌Lower raw frame rates (-2.8%) |
| Longevity | Generation 9.5 (2016−2020) (14nm) | Vega (2017−2020) (7nm) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the Iris Plus Graphics 645 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 Iris Plus Graphics 645 and Radeon Vega 8 Ryzen 5 3500C
Iris Plus Graphics 645
The Iris Plus Graphics 645 is manufactured by Intel. It was released in October 7 2019. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1050 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+++ process technology. G3D Mark benchmark score: 1,450 points.
Radeon Vega 8 Ryzen 5 3500C
The Radeon Vega 8 Ryzen 5 3500C is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,410 points.
Graphics Performance
The Iris Plus Graphics 645 scores 1,450 and the Radeon Vega 8 Ryzen 5 3500C reaches 1,410 in the G3D Mark benchmark — just a 2.8% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 645 is built on Generation 9.5 while the Radeon Vega 8 Ryzen 5 3500C uses Vega, both on 14 nm+++ vs 7 nm. Shader units: 384 (Iris Plus Graphics 645) vs 512 (Radeon Vega 8 Ryzen 5 3500C). Boost clocks: 1050 MHz vs 2100 MHz.
| Feature | Iris Plus Graphics 645 | Radeon Vega 8 Ryzen 5 3500C |
|---|---|---|
| G3D Mark Score | 1,450+3% | 1,410 |
| Architecture | Generation 9.5 | Vega |
| Process Node | 14 nm+++ | 7 nm |
| Shading Units | 384 | 512+33% |
| Boost Clock | 1050 MHz | 2100 MHz+100% |
Advanced Features (DLSS/FSR)
| Feature | Iris Plus Graphics 645 | Radeon Vega 8 Ryzen 5 3500C |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 0 MB of Shared. Bus width: System vs System.
| Feature | Iris Plus Graphics 645 | Radeon Vega 8 Ryzen 5 3500C |
|---|---|---|
| VRAM Capacity | Shared System RAM | Shared System RAM |
| Memory Type | Shared | Shared |
| Memory Bandwidth | System | System |
| Bus Width | System | System |
Power & Dimensions
The Iris Plus Graphics 645 draws 15W versus the Radeon Vega 8 Ryzen 5 3500C's 15W — a 0% difference. The Radeon Vega 8 Ryzen 5 3500C is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 645) vs 1W (Radeon Vega 8 Ryzen 5 3500C). Power connectors: Integrated vs Integrated.
| Feature | Iris Plus Graphics 645 | Radeon Vega 8 Ryzen 5 3500C |
|---|---|---|
| TDP | 15W | 15W |
| Recommended PSU | 1W | 1W |
| Power Connector | Integrated | Integrated |
| Length | — | 1mm |
| Slots | — | 0 |
| Perf/Watt | 96.7+3% | 94.0 |
Value Analysis
The Iris Plus Graphics 645 launched at $0 MSRP and currently averages $0, while the Radeon Vega 8 Ryzen 5 3500C launched at $99 and now averages $30. The Iris Plus Graphics 645 costs 100+% less ($30 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Iris Plus Graphics 645) vs 47.0 (Radeon Vega 8 Ryzen 5 3500C) — the Iris Plus Graphics 645 offers Infinity% better value. The Radeon Vega 8 Ryzen 5 3500C is the newer GPU (2020 vs 2019).
| Feature | Iris Plus Graphics 645 | Radeon Vega 8 Ryzen 5 3500C |
|---|---|---|
| MSRP | $0-100% | $99 |
| Avg Price (30d) | $0-100% | $30 |
| Performance per Dollar | Infinity | 47.0 |
| Codename | Coffee Lake GT3e | Vega |
| Release | October 7 2019 | January 7 2020 |
| Ranking | #720 | #545 |
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