GeForce RTX 4070
Iris Plus Graphics 645
GeForce RTX 4070 vs Iris Plus Graphics 645 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.
GeForce RTX 4070 vs Iris Plus Graphics 645 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
GeForce RTX 4070 vs Iris Plus Graphics 645: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce RTX 4070
2023Why buy it
- ✅+1756.5% higher PassMark G3D performance.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 44.9 vs 0 G3D/$ ($599 MSRP vs Unknown MSRP).
- ✅Access to a newer frame-generation stack with DLSS 3.5 + Frame Generation (2023).
- ✅100+% more VRAM for high-resolution textures and newer games (12 GB vs Unknown).
- ✅Better long-term bet: Ada Lovelace (2022−2024) on 5nm gives it a newer hardware base for upcoming games.
Trade-offs
- ❌1233.3% higher power demand at 200W vs 15W.
Iris Plus Graphics 645
2019Why buy it
- ✅Draws 15W instead of 200W, a 185W reduction.
Trade-offs
- ❌Lower PassMark G3D performance (1,450 vs 26,919).
- ❌Less VRAM, with Unknown vs 12 GB for high-resolution textures and newer games.
- ❌No equivalent frame-generation stack like DLSS 3.5 + Frame Generation (2023).
- ❌2019 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 44.9 G3D/$ (Unknown MSRP vs $599 MSRP).
Quick Answers
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GeForce RTX 4070 vs Iris Plus Graphics 645 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GeForce RTX 4070
The GeForce RTX 4070 is manufactured by NVIDIA. It was released in April 12 2023. It features the Ada Lovelace architecture. The core clock ranges from 1920 MHz to 2475 MHz. It has 5888 shading units. The thermal design power (TDP) is 200W. Manufactured using 5 nm process technology. It features 46 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,919 points. Launch price was $599.
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.
Graphics Performance
In G3D Mark, the GeForce RTX 4070 scores 26,919 versus the Iris Plus Graphics 645's 1,450 — the GeForce RTX 4070 leads by 1756.5%. The GeForce RTX 4070 is built on Ada Lovelace while the Iris Plus Graphics 645 uses Generation 9.5, both on 5 nm vs 14 nm+++. Shader units: 5,888 (GeForce RTX 4070) vs 384 (Iris Plus Graphics 645). Raw compute: 29.15 TFLOPS (GeForce RTX 4070) vs 0.8064 TFLOPS (Iris Plus Graphics 645). Boost clocks: 2475 MHz vs 1050 MHz.
| Feature | GeForce RTX 4070 | Iris Plus Graphics 645 |
|---|---|---|
| G3D Mark Score | 26,919+1756% | 1,450 |
| Architecture | Ada Lovelace | Generation 9.5 |
| Process Node | 5 nm | 14 nm+++ |
| Shading Units | 5888+1433% | 384 |
| Compute (TFLOPS) | 29.15 TFLOPS+3515% | 0.8064 TFLOPS |
| Boost Clock | 2475 MHz+136% | 1050 MHz |
| ROPs | 64+967% | 6 |
| TMUs | 184+283% | 48 |
Advanced Features (DLSS/FSR)
The clearest feature edge for the GeForce RTX 4070 is support for DLSS 3.5 + Frame Generation. In games that support it, that can smooth out motion and lift perceived FPS. The Iris Plus Graphics 645 does not have comparable native support in the same tier.The GeForce RTX 4070 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Iris Plus Graphics 645 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce RTX 4070 | Iris Plus Graphics 645 |
|---|---|---|
| Upscaling Tech | DLSS 3.5 Super Resolution | Upscaling support |
| Frame Generation | DLSS 3.5 + Frame Generation | Not Supported |
| Ray Reconstruction | Yes (DLSS 3.5) | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce RTX 4070 has 12 GB of VRAM, while the Iris Plus Graphics 645 carries 0 MB. GeForce RTX 4070 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 192-bit on the GeForce RTX 4070 and System on the Iris Plus Graphics 645.
| Feature | GeForce RTX 4070 | Iris Plus Graphics 645 |
|---|---|---|
| VRAM Capacity | 12 GB | Shared System RAM |
| Memory Type | GDDR6X | Shared |
| Memory Bandwidth | 504 GB/s | System |
| Bus Width | 192-bit | System |
Power & Dimensions
The GeForce RTX 4070 draws 200W versus the Iris Plus Graphics 645's 15W — a 172.1% difference. The Iris Plus Graphics 645 is more power-efficient. Recommended PSU: 650W (GeForce RTX 4070) vs 1W (Iris Plus Graphics 645). Power connectors: 8-pin vs Integrated.
| Feature | GeForce RTX 4070 | Iris Plus Graphics 645 |
|---|---|---|
| TDP | 200W | 15W-93% |
| Recommended PSU | 650W | 1W-100% |
| Power Connector | 8-pin | Integrated |
| Length | 304mm | — |
| Height | 137mm | — |
| Slots | 3 | — |
| Temp (Load) | 80°C | — |
| Perf/Watt | 134.6+39% | 96.7 |
Value Analysis
At launch, the GeForce RTX 4070 came in at $599, while the Iris Plus Graphics 645 launched at $0. On MSRP, Iris Plus Graphics 645 was 100+% cheaper ($599 less). Performance per dollar on MSRP (G3D Mark / MSRP): 44.9 (GeForce RTX 4070) vs Infinity (Iris Plus Graphics 645) — the Iris Plus Graphics 645 offers Infinity% better value. The newer card here is GeForce RTX 4070 (2023 vs 2019).
| Feature | GeForce RTX 4070 | Iris Plus Graphics 645 |
|---|---|---|
| MSRP | $599 | $0-100% |
| Performance per Dollar | 44.9 | Infinity |
| Codename | AD104 | Coffee Lake GT3e |
| Release | April 12 2023 | October 7 2019 |
| Ranking | #32 | #720 |
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