Iris Plus Graphics 645 vs GeForce 845M
Iris Plus Graphics 645
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GeForce 845M
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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 GeForce 845M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Iris Plus Graphics 645 uses modern memory architecture. The Iris Plus Graphics 645 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce 845M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GeForce 845M is the superior choice for raw performance. It leads with a 2.6% higher G3D Mark score and 100+% more VRAM (512 MB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Iris Plus Graphics 645.
| Insight | Iris Plus Graphics 645 | GeForce 845M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.6%) | ✅Leading raw performance (+2.6%) |
| Longevity | Generation 9.5 (2016−2020) (14nm) | 🛑Obsolete Architecture (2015 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100+%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the GeForce 845M 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 GeForce 845M
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.
GeForce 845M
The GeForce 845M is manufactured by NVIDIA. It was released in August 26 2015. It features the Maxwell architecture. The core clock ranges from 1071 MHz to 1176 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,487 points.
Graphics Performance
The Iris Plus Graphics 645 scores 1,450 and the GeForce 845M reaches 1,487 in the G3D Mark benchmark — just a 2.6% difference, making them near-identical in rasterization performance. The Iris Plus Graphics 645 is built on Generation 9.5 while the GeForce 845M uses Maxwell, both on 14 nm+++ vs 28 nm. Shader units: 384 (Iris Plus Graphics 645) vs 384 (GeForce 845M). Raw compute: 0.8064 TFLOPS (Iris Plus Graphics 645) vs 0.9032 TFLOPS (GeForce 845M). Boost clocks: 1050 MHz vs 1176 MHz.
| Feature | Iris Plus Graphics 645 | GeForce 845M |
|---|---|---|
| G3D Mark Score | 1,450 | 1,487+3% |
| Architecture | Generation 9.5 | Maxwell |
| Process Node | 14 nm+++ | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.8064 TFLOPS | 0.9032 TFLOPS+12% |
| Boost Clock | 1050 MHz | 1176 MHz+12% |
| ROPs | 6 | 16+167% |
| TMUs | 48+50% | 32 |
Advanced Features (DLSS/FSR)
| Feature | Iris Plus Graphics 645 | GeForce 845M |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | Standard |
Video Memory (VRAM)
The Iris Plus Graphics 645 comes with 0 MB of VRAM, while the GeForce 845M has 512 MB. The GeForce 845M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.
| Feature | Iris Plus Graphics 645 | GeForce 845M |
|---|---|---|
| VRAM Capacity | Shared System RAM | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
Power & Dimensions
The Iris Plus Graphics 645 draws 15W versus the GeForce 845M's 33W — a 75% difference. The Iris Plus Graphics 645 is more power-efficient. Recommended PSU: 1W (Iris Plus Graphics 645) vs 350W (GeForce 845M). Power connectors: Integrated vs Legacy.
| Feature | Iris Plus Graphics 645 | GeForce 845M |
|---|---|---|
| TDP | 15W-55% | 33W |
| Recommended PSU | 1W-100% | 350W |
| Power Connector | Integrated | Legacy |
| Slots | — | 0 |
| Temp (Load) | — | 85°C |
| Perf/Watt | 96.7+114% | 45.1 |
Value Analysis
The Iris Plus Graphics 645 is the newer GPU (2019 vs 2015).
| Feature | Iris Plus Graphics 645 | GeForce 845M |
|---|---|---|
| MSRP | $0 | — |
| Avg Price (30d) | $0 | — |
| Codename | Coffee Lake GT3e | GM108 |
| Release | October 7 2019 | August 26 2015 |
| Ranking | #720 | #768 |
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