GRID P6-2Q
Radeon R9 M390X
GRID P6-2Q vs Radeon R9 M390X 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.
GRID P6-2Q vs Radeon R9 M390X 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
GRID P6-2Q vs Radeon R9 M390X: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GRID P6-2Q
2015Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Less VRAM, with 2 GB vs 4 GB for high-resolution textures and newer games.
- ❌2015 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌263.6% HIGHER MSRP$2,000 MSRPvs$550 MSRP
- ❌Lower G3D Mark per dollar, at 2.0 vs 7.1 G3D/$ ($2,000 MSRP vs $550 MSRP).
- ❌200% higher power demand at 225W vs 75W.
Radeon R9 M390X
2015Why buy it
- ✅Costs $1,450 less on MSRP ($550 MSRP vs $2,000 MSRP).
- ✅Delivers 260.8% more G3D Mark for each dollar spent, at 7.1 vs 2.0 G3D/$ ($550 MSRP vs $2,000 MSRP).
- ✅100% more VRAM for high-resolution textures and newer games (4 GB vs 2 GB).
- ✅Draws 75W instead of 225W, a 150W reduction.
Trade-offs
- ❌2015 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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GRID P6-2Q vs Radeon R9 M390X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GRID P6-2Q
The GRID P6-2Q 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: 3,926 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 GRID P6-2Q scores 3,926 and the Radeon R9 M390X reaches 3,895 in the G3D Mark benchmark — just a 0.8% difference, making them near-identical in rasterization performance. The GRID P6-2Q is built on Maxwell 2.0 while the Radeon R9 M390X uses GCN 3.0, both on a 28 nm process. Shader units: 2,048 (GRID P6-2Q) vs 2,048 (Radeon R9 M390X). Raw compute: 4.825 TFLOPS (GRID P6-2Q) vs 2.961 TFLOPS (Radeon R9 M390X).
| Feature | GRID P6-2Q | Radeon R9 M390X |
|---|---|---|
| G3D Mark Score | 3,926 | 3,895 |
| 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 P6-2Q | Radeon R9 M390X |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | Standard | AMD Anti-Lag |
Video Memory (VRAM)
The GRID P6-2Q has 2 GB of VRAM, while the Radeon R9 M390X carries 4 GB. Radeon R9 M390X gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the GRID P6-2Q and 256-bit on the Radeon R9 M390X. L2 Cache: 2 MB (GRID P6-2Q) vs 0.5 MB (Radeon R9 M390X) — the GRID P6-2Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GRID P6-2Q | Radeon R9 M390X |
|---|---|---|
| VRAM Capacity | 2 GB | 4 GB+100% |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 256-bit+300% |
| L2 Cache | 2 MB+300% | 0.5 MB |
Power & Dimensions
The GRID P6-2Q draws 225W versus the Radeon R9 M390X's 75W — a 100% difference. The Radeon R9 M390X is more power-efficient. Recommended PSU: 350W (GRID P6-2Q) vs 350W (Radeon R9 M390X). Power connectors: PCIe-powered vs Mobile.
| Feature | GRID P6-2Q | Radeon R9 M390X |
|---|---|---|
| TDP | 225W | 75W-67% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | Mobile |
| Slots | 0 | — |
| Perf/Watt | 17.4 | 51.9+198% |
Value Analysis
At launch, the GRID P6-2Q came in at $2000, while the Radeon R9 M390X launched at $550. On MSRP, Radeon R9 M390X was 72.5% cheaper ($1450 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.0 (GRID P6-2Q) vs 7.1 (Radeon R9 M390X) — the Radeon R9 M390X offers 255% better value.
| Feature | GRID P6-2Q | Radeon R9 M390X |
|---|---|---|
| MSRP | $2000 | $550-73% |
| Performance per Dollar | 2.0 | 7.1+255% |
| Codename | GM204 | Amethyst |
| Release | August 30 2015 | May 5 2015 |
| Ranking | #433 | #504 |
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