
Iris Graphics 540 vs GeForce GT 745A

Iris Graphics 540
Popular choices:

GeForce GT 745A
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar GeForce GT 745A
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Iris Graphics 540 is the superior choice for raw performance. It leads with a 2.9% higher G3D Mark score. However, the GeForce GT 745A offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| Performance | ✅Leading raw performance (+2.9%) | ❌Lower raw frame rates (-2.9%) |
| Longevity | 🛑Obsolete Architecture (2015 / Generation 9.0 (2015−2016)) | 🛑Obsolete Architecture (2013 / 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 | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Iris Graphics 540 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 Graphics 540 and GeForce GT 745A

Iris Graphics 540
The Iris Graphics 540 is manufactured by Intel. It was released in September 1 2015. It features the Generation 9.0 architecture. The core clock ranges from 300 MHz to 1000 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm+ process technology. G3D Mark benchmark score: 1,270 points.

GeForce GT 745A
The GeForce GT 745A is manufactured by NVIDIA. It was released in August 26 2013. It features the Kepler architecture. The core clock ranges from 837 MHz to 915 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,234 points.
Graphics Performance
The Iris Graphics 540 scores 1,270 and the GeForce GT 745A reaches 1,234 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Iris Graphics 540 is built on Generation 9.0 while the GeForce GT 745A uses Kepler, both on 14 nm+ vs 28 nm. Shader units: 384 (Iris Graphics 540) vs 384 (GeForce GT 745A). Raw compute: 0.768 TFLOPS (Iris Graphics 540) vs 0.7027 TFLOPS (GeForce GT 745A). Boost clocks: 1000 MHz vs 915 MHz.
| Feature | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| G3D Mark Score | 1,270+3% | 1,234 |
| Architecture | Generation 9.0 | Kepler |
| Process Node | 14 nm+ | 28 nm |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.768 TFLOPS+9% | 0.7027 TFLOPS |
| Boost Clock | 1000 MHz+9% | 915 MHz |
| ROPs | 6 | 16+167% |
| TMUs | 48+50% | 32 |
Advanced Features (DLSS/FSR)
| Feature | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| 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 Graphics 540 comes with 0 MB of VRAM, while the GeForce GT 745A has 512 MB. The GeForce GT 745A offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 64-bit.
| Feature | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| VRAM Capacity | Shared System RAM | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 64-bit |
Display & API Support
DirectX support: 12 (FL 12_1) (Iris Graphics 540) vs 12 (11_0) (GeForce GT 745A). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 4.
| Feature | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| DirectX | 12 (FL 12_1) | 12 (11_0) |
| Vulkan | 1.3+8% | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 3 | 4+33% |
Media & Encoding
Hardware encoder: Quick Sync (Iris Graphics 540) vs NVENC (1st Gen) (GeForce GT 745A). Decoder: Quick Sync vs PureVideo HD VP5. Supported codecs: H.264,HEVC,VP8 (Iris Graphics 540) vs H.264,VC-1,MPEG-2 (GeForce GT 745A).
| Feature | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| Encoder | Quick Sync | NVENC (1st Gen) |
| Decoder | Quick Sync | PureVideo HD VP5 |
| Codecs | H.264,HEVC,VP8 | H.264,VC-1,MPEG-2 |
Power & Dimensions
The Iris Graphics 540 draws 15W versus the GeForce GT 745A's 33W — a 75% difference. The Iris Graphics 540 is more power-efficient. Recommended PSU: 1W (Iris Graphics 540) vs 350W (GeForce GT 745A). Power connectors: Integrated vs PCIe-powered.
| Feature | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| TDP | 15W-55% | 33W |
| Recommended PSU | 1W-100% | 350W |
| Power Connector | Integrated | PCIe-powered |
| Slots | 0 | 0 |
| Temp (Load) | — | 80°C |
| Perf/Watt | 84.7+126% | 37.4 |
Value Analysis
The Iris Graphics 540 launched at $0 MSRP and currently averages $0, while the GeForce GT 745A launched at $99 and now averages $20. The Iris Graphics 540 costs 100+% less ($20 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Iris Graphics 540) vs 61.7 (GeForce GT 745A) — the Iris Graphics 540 offers Infinity% better value. The Iris Graphics 540 is the newer GPU (2015 vs 2013).
| Feature | Iris Graphics 540 | GeForce GT 745A |
|---|---|---|
| MSRP | $0-100% | $99 |
| Avg Price (30d) | $0-100% | $20 |
| Performance per Dollar | Infinity | 61.7 |
| Codename | Skylake GT3e | GK107 |
| Release | September 1 2015 | August 26 2013 |
| Ranking | #808 | #811 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.












