Radeon HD 7790 vs GRID P4-2Q
Radeon HD 7790
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GRID P4-2Q
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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 P4-2Q
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The GRID P4-2Q is the superior choice for raw performance. It leads with a 2.3% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon HD 7790.
| Insight | Radeon HD 7790 | GRID P4-2Q |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.3%) | ✅Leading raw performance (+2.3%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 2.0 (2013−2017)) | 🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
The Radeon HD 7790 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 7790 holds the technical lead. Priced at $40 (vs $235), it costs 83% less, resulting in a 474.1% higher cost efficiency score.
| Insight | Radeon HD 7790 | GRID P4-2Q |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+474.1%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($40) | ⚠️Higher upfront cost ($235) |
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 HD 7790 and GRID P4-2Q
Radeon HD 7790
The Radeon HD 7790 is manufactured by AMD. It was released in March 22 2013. It features the GCN 2.0 architecture. The core clock speed is 1000 MHz. It has 896 shading units. The thermal design power (TDP) is 85W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,090 points. Launch price was $149.
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.
Graphics Performance
The Radeon HD 7790 scores 3,090 and the GRID P4-2Q reaches 3,162 in the G3D Mark benchmark — just a 2.3% difference, making them near-identical in rasterization performance. The Radeon HD 7790 is built on GCN 2.0 while the GRID P4-2Q uses Maxwell 2.0, both on a 28 nm process. Shader units: 896 (Radeon HD 7790) vs 2,048 (GRID P4-2Q). Raw compute: 1.792 TFLOPS (Radeon HD 7790) vs 4.825 TFLOPS (GRID P4-2Q).
| Feature | Radeon HD 7790 | GRID P4-2Q |
|---|---|---|
| G3D Mark Score | 3,090 | 3,162+2% |
| Architecture | GCN 2.0 | Maxwell 2.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 896 | 2048+129% |
| Compute (TFLOPS) | 1.792 TFLOPS | 4.825 TFLOPS+169% |
| ROPs | 16 | 64+300% |
| TMUs | 56 | 128+129% |
| L1 Cache | 224 KB | 768 KB+243% |
| L2 Cache | 0.25 MB | 2 MB+700% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7790 | GRID P4-2Q |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | Standard |
Video Memory (VRAM)
Both cards feature 2 GB of GDDR5. Bus width: 128-bit vs 64-bit. L2 Cache: 0.25 MB (Radeon HD 7790) vs 2 MB (GRID P4-2Q) — the GRID P4-2Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 7790 | GRID P4-2Q |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 0.25 MB | 2 MB+700% |
Power & Dimensions
The Radeon HD 7790 draws 85W versus the GRID P4-2Q's 225W — a 90.3% difference. The Radeon HD 7790 is more power-efficient. Recommended PSU: 400W (Radeon HD 7790) vs 350W (GRID P4-2Q). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | Radeon HD 7790 | GRID P4-2Q |
|---|---|---|
| TDP | 85W-62% | 225W |
| Recommended PSU | 400W | 350W-13% |
| Power Connector | 1x 6-pin | PCIe-powered |
| Length | 183mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 70 | — |
| Perf/Watt | 36.4+158% | 14.1 |
Value Analysis
The Radeon HD 7790 launched at $149 MSRP and currently averages $40, while the GRID P4-2Q launched at $1500 and now averages $235. The Radeon HD 7790 costs 83% less ($195 savings) at current market prices. Performance per dollar (G3D Mark / price): 77.3 (Radeon HD 7790) vs 13.5 (GRID P4-2Q) — the Radeon HD 7790 offers 472.6% better value. The GRID P4-2Q is the newer GPU (2015 vs 2013).
| Feature | Radeon HD 7790 | GRID P4-2Q |
|---|---|---|
| MSRP | $149-90% | $1500 |
| Avg Price (30d) | $40-83% | $235 |
| Performance per Dollar | 77.3+473% | 13.5 |
| Codename | Bonaire | GM204 |
| Release | March 22 2013 | August 30 2015 |
| Ranking | #579 | #433 |
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