GeForce GTX 660M
Iris Plus Graphics 650
GeForce GTX 660M vs Iris Plus Graphics 650 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 GTX 660M vs Iris Plus Graphics 650 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 GTX 660M vs Iris Plus Graphics 650: 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 GTX 660M
2012Why buy it
- ✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
- ✅Iris Plus Graphics 650 is already obsolete for modern gaming, so GeForce GTX 660M is the less risky modern option long term.
Trade-offs
- ❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌233.3% higher power demand at 50W vs 15W.
Iris Plus Graphics 650
2017Why buy it
- ✅Draws 15W instead of 50W, a 35W reduction.
- ✅More future proof: Generation 9.5 (2016−2020) on 14nm with a newer platform for upcoming games.
Trade-offs
- ❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
- ❌2017 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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GeForce GTX 660M vs Iris Plus Graphics 650 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GeForce GTX 660M
The GeForce GTX 660M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from 835 MHz to 950 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,452 points.
Iris Plus Graphics 650
The Iris Plus Graphics 650 is manufactured by Intel. It was released in January 3 2017. It features the Generation 9.5 architecture. The core clock ranges from 300 MHz to 1150 MHz. It has 384 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm++ process technology. G3D Mark benchmark score: 1,500 points.
Graphics Performance
The GeForce GTX 660M scores 1,452 and the Iris Plus Graphics 650 reaches 1,500 in the G3D Mark benchmark — just a 3.3% difference, making them near-identical in rasterization performance. The GeForce GTX 660M is built on Kepler while the Iris Plus Graphics 650 uses Generation 9.5, both on 28 nm vs 14 nm++. Shader units: 384 (GeForce GTX 660M) vs 384 (Iris Plus Graphics 650). Raw compute: 0.7296 TFLOPS (GeForce GTX 660M) vs 0.8832 TFLOPS (Iris Plus Graphics 650). Boost clocks: 950 MHz vs 1150 MHz.
| Feature | GeForce GTX 660M | Iris Plus Graphics 650 |
|---|---|---|
| G3D Mark Score | 1,452 | 1,500+3% |
| Architecture | Kepler | Generation 9.5 |
| Process Node | 28 nm | 14 nm++ |
| Shading Units | 384 | 384 |
| Compute (TFLOPS) | 0.7296 TFLOPS | 0.8832 TFLOPS+21% |
| Boost Clock | 950 MHz | 1150 MHz+21% |
| ROPs | 16+167% | 6 |
| TMUs | 32 | 48+50% |
Advanced Features (DLSS/FSR)
The GeForce GTX 660M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Iris Plus Graphics 650 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 660M | Iris Plus Graphics 650 |
|---|---|---|
| Upscaling Tech | Upscaling support | Upscaling support |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | Standard |
Video Memory (VRAM)
The GeForce GTX 660M has 2 GB of VRAM, while the Iris Plus Graphics 650 carries 0 MB. GeForce GTX 660M gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GTX 660M and System on the Iris Plus Graphics 650.
| Feature | GeForce GTX 660M | Iris Plus Graphics 650 |
|---|---|---|
| VRAM Capacity | 2 GB | Shared System RAM |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | Unknown | System |
| Bus Width | 128-bit | System |
Display & API Support
DirectX support: 12 (11_0) (GeForce GTX 660M) vs 12 (12_1) (Iris Plus Graphics 650). Vulkan: 1.2 vs 1.3. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | GeForce GTX 660M | Iris Plus Graphics 650 |
|---|---|---|
| DirectX | 12 (11_0) | 12 (12_1) |
| Vulkan | 1.2 | 1.3+8% |
| OpenGL | 4.5 | 4.6+2% |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: NVENC 1st Gen (GeForce GTX 660M) vs QuickSync (Iris Plus Graphics 650). Decoder: PureVideo HD VP5 vs QuickSync. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 660M) vs H.264,H.265,VP9 (Iris Plus Graphics 650).
| Feature | GeForce GTX 660M | Iris Plus Graphics 650 |
|---|---|---|
| Encoder | NVENC 1st Gen | QuickSync |
| Decoder | PureVideo HD VP5 | QuickSync |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 ASP | H.264,H.265,VP9 |
Power & Dimensions
The GeForce GTX 660M draws 50W versus the Iris Plus Graphics 650's 15W — a 107.7% difference. The Iris Plus Graphics 650 is more power-efficient. Recommended PSU: 350W (GeForce GTX 660M) vs 1W (Iris Plus Graphics 650). Power connectors: 1x 6-pin vs Integrated. Typical load temperature: 60°C vs 85.
| Feature | GeForce GTX 660M | Iris Plus Graphics 650 |
|---|---|---|
| TDP | 50W | 15W-70% |
| Recommended PSU | 350W | 1W-100% |
| Power Connector | 1x 6-pin | Integrated |
| Length | — | 0mm |
| Height | — | 0mm |
| Slots | 0 | 0 |
| Temp (Load) | 60°C-29% | 85 |
| Perf/Watt | 29.0 | 100.0+245% |
Value Analysis
The newer card here is Iris Plus Graphics 650 (2017 vs 2012).
| Feature | GeForce GTX 660M | Iris Plus Graphics 650 |
|---|---|---|
| MSRP | — | $0 |
| Codename | GK107 | Kaby Lake GT3e |
| Release | March 22 2012 | January 3 2017 |
| Ranking | #774 | #718 |
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