
CMP 40HX
Popular choices:

Radeon R9 390
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. The CMP 40HX is positioned at rank #119 in our cost-efficiency ranking, representing a Balanced cost-benefit for your build. 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 CMP 40HX
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The CMP 40HX is significantly newer (2021 vs 2015). The CMP 40HX likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon R9 390 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon R9 390 is the superior choice for raw performance. It leads with a 1.2% higher G3D Mark score and 100% more VRAM (8 GB vs 4 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the CMP 40HX.
| Insight | CMP 40HX | Radeon R9 390 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.2%) | ✅Leading raw performance (+1.2%) |
| Longevity | Turing (2018−2022) (12nm) | 🛑Obsolete Architecture (2015 / GCN 2.0 (2013−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | 🎮 High Capacity (4 GB) | ✅ More VRAM (+100%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | Standard Size (275mm) |
💎 Value Proposition
The Radeon R9 390 offers a compelling cost-to-performance ratio. Priced at $65 versus $120 for the CMP 40HX, it costs 46% less. While it maintains competitive performance, this results in a 86.9% higher cost efficiency score.
| Insight | CMP 40HX | Radeon R9 390 |
|---|---|---|
| Cost Efficiency | ❌Lower cost efficiency | ✅Better overall value (+86.9%) |
| Upfront Cost | ⚠️Higher upfront cost ($120) | ✅More affordable ($65) |
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 CMP 40HX and Radeon R9 390

CMP 40HX
The CMP 40HX is manufactured by NVIDIA. It was released in February 25 2021. It features the Turing architecture. The core clock ranges from 1470 MHz to 1650 MHz. It has 2304 shading units. The thermal design power (TDP) is 185W. Manufactured using 12 nm process technology. It features 36 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 8,749 points. Launch price was $699.

Radeon R9 390
The Radeon R9 390 is manufactured by AMD. It was released in June 18 2015. It features the GCN 2.0 architecture. The boost clock speed is 1000 MHz. It has 2560 shading units. The thermal design power (TDP) is 300W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 8,855 points. Launch price was $329.
Graphics Performance
The CMP 40HX scores 8,749 and the Radeon R9 390 reaches 8,855 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The CMP 40HX is built on Turing while the Radeon R9 390 uses GCN 2.0, both on 12 nm vs 28 nm. Shader units: 2,304 (CMP 40HX) vs 2,560 (Radeon R9 390). Raw compute: 7.603 TFLOPS (CMP 40HX) vs 5.12 TFLOPS (Radeon R9 390). Boost clocks: 1650 MHz vs 1000 MHz.
| Feature | CMP 40HX | Radeon R9 390 |
|---|---|---|
| G3D Mark Score | 8,749 | 8,855+1% |
| Architecture | Turing | GCN 2.0 |
| Process Node | 12 nm | 28 nm |
| Shading Units | 2304 | 2560+11% |
| Compute (TFLOPS) | 7.603 TFLOPS+48% | 5.12 TFLOPS |
| Boost Clock | 1650 MHz+65% | 1000 MHz |
| ROPs | 64 | 64 |
| TMUs | 144 | 160+11% |
| L1 Cache | 2.3 MB+265% | 0.63 MB |
| L2 Cache | 4 MB+300% | 1 MB |
Advanced Features (DLSS/FSR)
| Feature | CMP 40HX | Radeon R9 390 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The CMP 40HX comes with 4 GB of VRAM, while the Radeon R9 390 has 8 GB. The Radeon R9 390 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 512-bit. L2 Cache: 4 MB (CMP 40HX) vs 1 MB (Radeon R9 390) — the CMP 40HX has significantly larger on-die cache to reduce VRAM reliance.
| Feature | CMP 40HX | Radeon R9 390 |
|---|---|---|
| VRAM Capacity | 4 GB | 8 GB+100% |
| Memory Type | GDDR6 | GDDR5 |
| Bus Width | 128-bit | 512-bit+300% |
| L2 Cache | 4 MB+300% | 1 MB |
Display & API Support
DirectX support: 12 Ultimate (CMP 40HX) vs 12.0 (Radeon R9 390). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 0 vs 6.
| Feature | CMP 40HX | Radeon R9 390 |
|---|---|---|
| DirectX | 12 Ultimate | 12.0 |
| Vulkan | 1.2 | 1.2 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 0 | 6 |
Media & Encoding
Hardware encoder: No (CMP 40HX) vs VCE 2.0 (Radeon R9 390). Decoder: No vs UVD 4.2.
| Feature | CMP 40HX | Radeon R9 390 |
|---|---|---|
| Encoder | No | VCE 2.0 |
| Decoder | No | UVD 4.2 |
| Codecs | MPEG-2,H.264,VC-1 |
Power & Dimensions
The CMP 40HX draws 185W versus the Radeon R9 390's 300W — a 47.4% difference. The CMP 40HX is more power-efficient. Recommended PSU: 500W (CMP 40HX) vs 750W (Radeon R9 390). Power connectors: PCIe-powered vs 6-pin + 8-pin. Card length: 229mm vs 275mm, occupying 2 vs 2 slots. Typical load temperature: 80°C vs 95°C.
| Feature | CMP 40HX | Radeon R9 390 |
|---|---|---|
| TDP | 185W-38% | 300W |
| Recommended PSU | 500W-33% | 750W |
| Power Connector | PCIe-powered | 6-pin + 8-pin |
| Length | 229mm | 275mm |
| Height | 111mm | 109mm |
| Slots | 2 | 2 |
| Temp (Load) | 80°C-16% | 95°C |
| Perf/Watt | 47.3+60% | 29.5 |
Value Analysis
The CMP 40HX launched at $699 MSRP and currently averages $120, while the Radeon R9 390 launched at $329 and now averages $65. The Radeon R9 390 costs 45.8% less ($55 savings) at current market prices. Performance per dollar (G3D Mark / price): 72.9 (CMP 40HX) vs 136.2 (Radeon R9 390) — the Radeon R9 390 offers 86.8% better value. The CMP 40HX is the newer GPU (2021 vs 2015).
| Feature | CMP 40HX | Radeon R9 390 |
|---|---|---|
| MSRP | $699 | $329-53% |
| Avg Price (30d) | $120 | $65-46% |
| Performance per Dollar | 72.9 | 136.2+87% |
| Codename | TU106 | Grenada |
| Release | February 25 2021 | June 18 2015 |
| Ranking | #302 | #296 |
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.

















