
Radeon RX 550X vs GRID M40

Radeon RX 550X
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GRID M40
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar GRID M40
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon RX 550X uses modern memory architecture. The Radeon RX 550X likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GRID M40 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The GRID M40 is the superior choice for raw performance. It leads with a 5% higher G3D Mark score. However, the Radeon RX 550X offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon RX 550X | GRID M40 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-5%) | ✅Leading raw performance (+5%) |
| Longevity | 🛑Obsolete Architecture (2018 / GCN 4.0 (2016−2020)) | 🛑Obsolete Architecture (2016 / Maxwell (2014−2017)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+100%) | ❌ Less VRAM capacity |
| Efficiency | Normal Efficiency | Normal Efficiency |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Radeon RX 550X offers a compelling cost-to-performance ratio. Priced at $45 versus $100 for the GRID M40, it costs 55% less. While it maintains basic entry-level capabilities, this results in a 111.6% higher cost efficiency score.
| Insight | Radeon RX 550X | GRID M40 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+111.6%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($45) | ⚠️Higher upfront cost ($100) |
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 Radeon RX 550X and GRID M40

Radeon RX 550X
The Radeon RX 550X is manufactured by AMD. It was released in December 16 2018. It features the GCN 4.0 architecture. The core clock ranges from 1100 MHz to 1183 MHz. It has 512 shading units. The thermal design power (TDP) is 50W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 2,381 points.

GRID M40
The GRID M40 is manufactured by NVIDIA. It was released in May 18 2016. It features the Maxwell architecture. The core clock ranges from 1033 MHz to 1000 MHz. It has 384 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,500 points.
Graphics Performance
In G3D Mark, the Radeon RX 550X scores 2,381 versus the GRID M40's 2,500 — the GRID M40 leads by 5%. The Radeon RX 550X is built on GCN 4.0 while the GRID M40 uses Maxwell, both on 14 nm vs 28 nm. Shader units: 512 (Radeon RX 550X) vs 384 (GRID M40). Raw compute: 1.211 TFLOPS (Radeon RX 550X) vs 0.7933 TFLOPS (GRID M40). Boost clocks: 1183 MHz vs 1000 MHz.
| Feature | Radeon RX 550X | GRID M40 |
|---|---|---|
| G3D Mark Score | 2,381 | 2,500+5% |
| Architecture | GCN 4.0 | Maxwell |
| Process Node | 14 nm | 28 nm |
| Shading Units | 512+33% | 384 |
| Compute (TFLOPS) | 1.211 TFLOPS+53% | 0.7933 TFLOPS |
| Boost Clock | 1183 MHz+18% | 1000 MHz |
| ROPs | 16 | 16 |
| TMUs | 32 | 32 |
| L1 Cache | 128 KB | 192 KB+50% |
| L2 Cache | 0.5 MB | 2 MB+300% |
Advanced Features (DLSS/FSR)
| Feature | Radeon RX 550X | GRID M40 |
|---|---|---|
| Upscaling Tech | FSR 2.1 | FSR 1.0 (Software) |
| Frame Generation | FSR 3 (Compatible) | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
The Radeon RX 550X comes with 4 GB of VRAM, while the GRID M40 has 2 GB. The Radeon RX 550X offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 0.5 MB (Radeon RX 550X) vs 2 MB (GRID M40) — the GRID M40 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon RX 550X | GRID M40 |
|---|---|---|
| VRAM Capacity | 4 GB+100% | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 0.5 MB | 2 MB+300% |
Power & Dimensions
The Radeon RX 550X draws 50W versus the GRID M40's 50W — a 0% difference. The GRID M40 is more power-efficient. Recommended PSU: 300W (Radeon RX 550X) vs 350W (GRID M40). Power connectors: None vs PCIe-powered.
| Feature | Radeon RX 550X | GRID M40 |
|---|---|---|
| TDP | 50W | 50W |
| Recommended PSU | 300W-14% | 350W |
| Power Connector | None | PCIe-powered |
| Length | 145mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 85°C | — |
| Perf/Watt | 47.6 | 50.0+5% |
Value Analysis
The Radeon RX 550X launched at $109 MSRP and currently averages $45, while the GRID M40 launched at $1000 and now averages $100. The Radeon RX 550X costs 55% less ($55 savings) at current market prices. Performance per dollar (G3D Mark / price): 52.9 (Radeon RX 550X) vs 25.0 (GRID M40) — the Radeon RX 550X offers 111.6% better value. The Radeon RX 550X is the newer GPU (2018 vs 2016).
| Feature | Radeon RX 550X | GRID M40 |
|---|---|---|
| MSRP | $109-89% | $1000 |
| Avg Price (30d) | $45-55% | $100 |
| Performance per Dollar | 52.9+112% | 25.0 |
| Codename | Lexa | GM107 |
| Release | December 16 2018 | May 18 2016 |
| Ranking | #642 | #742 |
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