
GRID P4-2Q

Radeon Pro 555
GRID P4-2Q vs Radeon Pro 555 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 P4-2Q vs Radeon Pro 555 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 P4-2Q vs Radeon Pro 555: 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 P4-2Q
2015Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 2.1 vs 0 G3D/$ ($1,500 MSRP vs Unknown MSRP).
Trade-offs
- ❌2015 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌200% higher power demand at 225W vs 75W.
Radeon Pro 555
2017Why buy it
- ✅Draws 75W instead of 225W, a 150W reduction.
- ✅More future proof: GCN 4.0 (2016−2020) on 14nm with a newer platform for upcoming games.
Trade-offs
- ❌2017 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 2.1 G3D/$ (Unknown MSRP vs $1,500 MSRP).
Quick Answers
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GRID P4-2Q vs Radeon Pro 555 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GRID P4-2Q
The GRID P4-2Q 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: 3,162 points.

Radeon Pro 555
The Radeon Pro 555 is manufactured by AMD. It was released in June 5 2017. It features the GCN 4.0 architecture. The core clock speed is 850 MHz. It has 768 shading units. The thermal design power (TDP) is 75W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 3,141 points.
Graphics Performance
The GRID P4-2Q scores 3,162 and the Radeon Pro 555 reaches 3,141 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GRID P4-2Q is built on Maxwell 2.0 while the Radeon Pro 555 uses GCN 4.0, both on 28 nm vs 14 nm. Shader units: 2,048 (GRID P4-2Q) vs 768 (Radeon Pro 555). Raw compute: 4.825 TFLOPS (GRID P4-2Q) vs 1.306 TFLOPS (Radeon Pro 555).
| Feature | GRID P4-2Q | Radeon Pro 555 |
|---|---|---|
| G3D Mark Score | 3,162 | 3,141 |
| Architecture | Maxwell 2.0 | GCN 4.0 |
| Process Node | 28 nm | 14 nm |
| Shading Units | 2048+167% | 768 |
| Compute (TFLOPS) | 4.825 TFLOPS+269% | 1.306 TFLOPS |
| ROPs | 64+300% | 16 |
| TMUs | 128+167% | 48 |
| L1 Cache | 768 KB+300% | 192 KB |
| L2 Cache | 2 MB+100% | 1 MB |
Advanced Features (DLSS/FSR)
| Feature | GRID P4-2Q | Radeon Pro 555 |
|---|---|---|
| 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)
Both cards ship with 2 GB of GDDR5. Memory bus width is 64-bit on the GRID P4-2Q and 64-bit on the Radeon Pro 555. L2 Cache: 2 MB (GRID P4-2Q) vs 1 MB (Radeon Pro 555) — the GRID P4-2Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GRID P4-2Q | Radeon Pro 555 |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 64-bit |
| L2 Cache | 2 MB+100% | 1 MB |
Power & Dimensions
The GRID P4-2Q draws 225W versus the Radeon Pro 555's 75W — a 100% difference. The Radeon Pro 555 is more power-efficient. Recommended PSU: 350W (GRID P4-2Q) vs 350W (Radeon Pro 555). Power connectors: PCIe-powered vs PCIe-powered.
| Feature | GRID P4-2Q | Radeon Pro 555 |
|---|---|---|
| TDP | 225W | 75W-67% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Perf/Watt | 14.1 | 41.9+197% |
Value Analysis
At launch, the GRID P4-2Q came in at $1500, while the Radeon Pro 555 launched at $0. On MSRP, Radeon Pro 555 was 100+% cheaper ($1500 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.1 (GRID P4-2Q) vs Infinity (Radeon Pro 555) — the Radeon Pro 555 offers Infinity% better value. The newer card here is Radeon Pro 555 (2017 vs 2015).
| Feature | GRID P4-2Q | Radeon Pro 555 |
|---|---|---|
| MSRP | $1500 | $0-100% |
| Performance per Dollar | 2.1 | Infinity |
| Codename | GM204 | Polaris 21 |
| Release | August 30 2015 | June 5 2017 |
| Ranking | #433 | #574 |
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