
GRID P40-1Q vs Radeon R9 M485X

GRID P40-1Q
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Radeon R9 M485X
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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. The GRID P40-1Q is positioned at rank 332 and the Radeon R9 M485X is on rank 393, so the GRID P40-1Q offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar GRID P40-1Q
Performance Per Dollar Radeon R9 M485X
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GRID P40-1Q is the superior choice for raw performance. It leads with a 1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R9 M485X.
| Insight | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| Performance | ✅Leading raw performance (+1%) | ❌Lower raw frame rates (-1%) |
| Longevity | 🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019)) | 🛑Obsolete Architecture (2016 / GCN 3.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The GRID P40-1Q offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GRID P40-1Q holds the technical lead. Priced at $150 (vs $150), it costs 0% less, resulting in a 1% higher cost efficiency score.
| Insight | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+1%) | ❌Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 GRID P40-1Q and Radeon R9 M485X

GRID P40-1Q
The GRID P40-1Q is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock ranges from 557 MHz to 1178 MHz. It has 2048 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,839 points.

Radeon R9 M485X
The Radeon R9 M485X is manufactured by AMD. It was released in May 15 2016. 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 250W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,801 points.
Graphics Performance
The GRID P40-1Q scores 3,839 and the Radeon R9 M485X reaches 3,801 in the G3D Mark benchmark — just a 1% difference, making them near-identical in rasterization performance. The GRID P40-1Q is built on Maxwell 2.0 while the Radeon R9 M485X uses GCN 3.0, both on a 28 nm process. Shader units: 2,048 (GRID P40-1Q) vs 2,048 (Radeon R9 M485X). Raw compute: 4.825 TFLOPS (GRID P40-1Q) vs 2.961 TFLOPS (Radeon R9 M485X).
| Feature | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| G3D Mark Score | 3,839 | 3,801 |
| Architecture | Maxwell 2.0 | GCN 3.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2048 | 2048 |
| Compute (TFLOPS) | 4.825 TFLOPS+63% | 2.961 TFLOPS |
| ROPs | 64+100% | 32 |
| TMUs | 128 | 128 |
| L1 Cache | 768 KB+50% | 512 KB |
| L2 Cache | 2 MB+300% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| 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)
Both cards feature 2 GB of GDDR5. Bus width: 64-bit vs 128-bit. L2 Cache: 2 MB (GRID P40-1Q) vs 0.5 MB (Radeon R9 M485X) — the GRID P40-1Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 128-bit+100% |
| L2 Cache | 2 MB+300% | 0.5 MB |
Display & API Support
DirectX support: 12_1 (GRID P40-1Q) vs 12 (Radeon R9 M485X). Maximum simultaneous displays: 0 vs 4.
| Feature | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| DirectX | 12_1 | 12 |
| Max Displays | 0 | 4 |
Power & Dimensions
The GRID P40-1Q draws 225W versus the Radeon R9 M485X's 250W — a 10.5% difference. The GRID P40-1Q is more power-efficient. Recommended PSU: 350W (GRID P40-1Q) vs 350W (Radeon R9 M485X). Power connectors: PCIe-powered vs Mobile.
| Feature | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| TDP | 225W-10% | 250W |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Mobile |
| Length | 1mm | — |
| Slots | 0 | — |
| Temp (Load) | — | 80°C |
| Perf/Watt | 17.1+13% | 15.2 |
Value Analysis
The GRID P40-1Q launched at $3000 MSRP and currently averages $150, while the Radeon R9 M485X launched at $450 and now averages $150. Performance per dollar (G3D Mark / price): 25.6 (GRID P40-1Q) vs 25.3 (Radeon R9 M485X) — the GRID P40-1Q offers 1.2% better value. The Radeon R9 M485X is the newer GPU (2016 vs 2015).
| Feature | GRID P40-1Q | Radeon R9 M485X |
|---|---|---|
| MSRP | $3000 | $450-85% |
| Avg Price (30d) | $150 | $150 |
| Performance per Dollar | 25.6+1% | 25.3 |
| Codename | GM204 | Amethyst |
| Release | August 30 2015 | May 15 2016 |
| Ranking | #525 | #519 |
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