CPU
GPU
GeForce GTX 775M
Popular choices:
Radeon R9 M390X
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. The GeForce GTX 775M is positioned at rank 23 and the Radeon R9 M390X is on rank 416, so the GeForce GTX 775M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GeForce GTX 775M
Performance Per Dollar Radeon R9 M390X
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon R9 M390X is the superior choice for raw performance. It leads with a 1.5% higher G3D Mark score and 100% more VRAM (4 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GTX 775M.
| Insight | GeForce GTX 775M | Radeon R9 M390X |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.5%) | ✅Leading raw performance (+1.5%) |
| Longevity | 🛑Obsolete Architecture (2013 / Kepler (2012−2018)) | 🛑Obsolete Architecture (2015 / GCN 3.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon R9 M390X 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 GeForce GTX 775M and Radeon R9 M390X
GeForce GTX 775M
The GeForce GTX 775M is manufactured by NVIDIA. It was released in September 24 2013. It features the Kepler architecture. The core clock speed is 719 MHz. It has 1344 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,837 points.
Radeon R9 M390X
The Radeon R9 M390X is manufactured by AMD. It was released in May 5 2015. It features the GCN 3.0 architecture. The core clock speed is 723 MHz. It has 2048 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,895 points.
Graphics Performance
The GeForce GTX 775M scores 3,837 and the Radeon R9 M390X reaches 3,895 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce GTX 775M is built on Kepler while the Radeon R9 M390X uses GCN 3.0, both on a 28 nm process. Shader units: 1,344 (GeForce GTX 775M) vs 2,048 (Radeon R9 M390X).
| Feature | GeForce GTX 775M | Radeon R9 M390X |
|---|---|---|
| G3D Mark Score | 3,837 | 3,895+2% |
| Architecture | Kepler | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1344 | 2048+52% |
Advanced Features (DLSS/FSR)
| Feature | GeForce GTX 775M | Radeon R9 M390X |
|---|---|---|
| Upscaling Tech | FSR 2.1 (Compatible) | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce GTX 775M comes with 2 GB of VRAM, while the Radeon R9 M390X has 4 GB. The Radeon R9 M390X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 256-bit vs 256-bit.
| Feature | GeForce GTX 775M | Radeon R9 M390X |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 160 GB/s | 160 GB/s |
| Bus Width | 256-bit | 256-bit |
Power & Dimensions
The GeForce GTX 775M draws 100W versus the Radeon R9 M390X's 75W — a 28.6% difference. The Radeon R9 M390X is more power-efficient. Recommended PSU: 350W (GeForce GTX 775M) vs 350W (Radeon R9 M390X). Power connectors: 1x 6-pin vs Mobile.
| Feature | GeForce GTX 775M | Radeon R9 M390X |
|---|---|---|
| TDP | 100W | 75W-25% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | Mobile |
| Length | 1mm | — |
| Slots | 0 | — |
| Perf/Watt | 38.4 | 51.9+35% |
Value Analysis
The Radeon R9 M390X is the newer GPU (2015 vs 2013).
| Feature | GeForce GTX 775M | Radeon R9 M390X |
|---|---|---|
| MSRP | — | $550 |
| Avg Price (30d) | — | $120 |
| Codename | N13E-GTX-A2 | Amethyst |
| Release | September 24 2013 | May 5 2015 |
| Ranking | #502 | #504 |
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