Iris Plus Graphics 645
Radeon RX Vega 6
Iris Plus Graphics 645 vs Radeon RX Vega 6 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.
Iris Plus Graphics 645 vs Radeon RX Vega 6 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
Iris Plus Graphics 645 vs Radeon RX Vega 6: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Iris Plus Graphics 645
2019Why buy it
- ✅Radeon RX Vega 6 is already obsolete for modern gaming, so Iris Plus Graphics 645 is the less risky modern option long term.
- ✅Draws 15W instead of 295W, a 280W reduction.
- ✅More future proof: Generation 9.5 (2016−2020) on 14nm with a newer platform for upcoming games.
Trade-offs
- ❌2019 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Radeon RX Vega 6
2017Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌2017 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌1866.7% higher power demand at 295W vs 15W.
Quick Answers
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Iris Plus Graphics 645 vs Radeon RX Vega 6 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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 RX Vega 6
The Radeon RX Vega 6 is manufactured by AMD. It was released in August 7 2017. It features the GCN 5.0 architecture. The core clock ranges from 1247 MHz to 1546 MHz. It has 4096 shading units. The thermal design power (TDP) is 295W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 1,492 points. Launch price was $499.
Graphics Performance
The Iris Plus Graphics 645 scores 1,450 and the Radeon RX Vega 6 reaches 1,492 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 645 is built on Generation 9.5 while the Radeon RX Vega 6 uses GCN 5.0, both on 14 nm+++ vs 14 nm. Shader units: 384 (Iris Plus Graphics 645) vs 4,096 (Radeon RX Vega 6). Raw compute: 0.8064 TFLOPS (Iris Plus Graphics 645) vs 12.66 TFLOPS (Radeon RX Vega 6). Boost clocks: 1050 MHz vs 1546 MHz.
| Feature | Iris Plus Graphics 645 | Radeon RX Vega 6 |
|---|---|---|
| G3D Mark Score | 1,450 | 1,492+3% |
| Architecture | Generation 9.5 | GCN 5.0 |
| Process Node | 14 nm+++ | 14 nm |
| Shading Units | 384 | 4096+967% |
| Compute (TFLOPS) | 0.8064 TFLOPS | 12.66 TFLOPS+1470% |
| Boost Clock | 1050 MHz | 1546 MHz+47% |
| ROPs | 6 | 64+967% |
| TMUs | 48 | 256+433% |
Advanced Features (DLSS/FSR)
| Feature | Iris Plus Graphics 645 | Radeon RX Vega 6 |
|---|---|---|
| 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 0 MB of Shared. Memory bus width is System on the Iris Plus Graphics 645 and System on the Radeon RX Vega 6.
| Feature | Iris Plus Graphics 645 | Radeon RX Vega 6 |
|---|---|---|
| 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 RX Vega 6's 295W — a 180.6% difference. The Iris Plus Graphics 645 is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 645) vs 1W (Radeon RX Vega 6). Power connectors: Integrated vs Integrated.
| Feature | Iris Plus Graphics 645 | Radeon RX Vega 6 |
|---|---|---|
| TDP | 15W-95% | 295W |
| Recommended PSU | 1W | 1W |
| Power Connector | Integrated | Integrated |
| Perf/Watt | 96.7+1796% | 5.1 |
Value Analysis
At launch, the Iris Plus Graphics 645 came in at $0, while the Radeon RX Vega 6 launched at $0. Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (Iris Plus Graphics 645) vs Infinity (Radeon RX Vega 6) — the Radeon RX Vega 6 offers NaN% better value. The newer card here is Iris Plus Graphics 645 (2019 vs 2017).
| Feature | Iris Plus Graphics 645 | Radeon RX Vega 6 |
|---|---|---|
| MSRP | $0 | $0 |
| Performance per Dollar | Infinity | Infinity |
| Codename | Coffee Lake GT3e | Vega 10 |
| Release | October 7 2019 | August 7 2017 |
| Ranking | #720 | #171 |
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