
GRID P6-4Q vs Radeon HD 7870 XT

GRID P6-4Q
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Radeon HD 7870 XT
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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. The GRID P6-4Q is positioned at rank #280 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 GRID P6-4Q
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7870 XT is the superior choice for raw performance. It leads with a 0.9% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GRID P6-4Q.
| Insight | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| Performance | ❌Lower raw frame rates (-0.9%) | ✅Leading raw performance (+0.9%) |
| Longevity | 🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019)) | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) |
| 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 | Standard Size (267mm) |
💎 Value Proposition
The GRID P6-4Q offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GRID P6-4Q holds the technical lead. Priced at $150 (vs $270), it costs 44% less, resulting in a 78.3% higher cost efficiency score.
| Insight | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+78.3%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($150) | ⚠️Higher upfront cost ($270) |
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 P6-4Q and Radeon HD 7870 XT

GRID P6-4Q
The GRID P6-4Q is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock speed is 722 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,429 points.

Radeon HD 7870 XT
The Radeon HD 7870 XT is manufactured by AMD. It was released in November 19 2012. It features the GCN 1.0 architecture. The core clock ranges from 925 MHz to 975 MHz. It has 1536 shading units. The thermal design power (TDP) is 185W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 4,470 points. Launch price was $270.
Graphics Performance
The GRID P6-4Q scores 4,429 and the Radeon HD 7870 XT reaches 4,470 in the G3D Mark benchmark — just a 0.9% difference, making them near-identical in rasterization performance. The GRID P6-4Q is built on Maxwell 2.0 while the Radeon HD 7870 XT uses GCN 1.0, both on a 28 nm process. Shader units: 1,536 (GRID P6-4Q) vs 1,536 (Radeon HD 7870 XT). Raw compute: 2.218 TFLOPS (GRID P6-4Q) vs 2.995 TFLOPS (Radeon HD 7870 XT).
| Feature | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| G3D Mark Score | 4,429 | 4,470 |
| Architecture | Maxwell 2.0 | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 1536 | 1536 |
| Compute (TFLOPS) | 2.218 TFLOPS | 2.995 TFLOPS+35% |
| ROPs | 64+100% | 32 |
| TMUs | 96 | 96 |
| L1 Cache | 576 KB+50% | 384 KB |
| L2 Cache | 2 MB+300% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| 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 256-bit. L2 Cache: 2 MB (GRID P6-4Q) vs 0.5 MB (Radeon HD 7870 XT) — the GRID P6-4Q has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 256-bit+300% |
| L2 Cache | 2 MB+300% | 0.5 MB |
Display & API Support
DirectX support: 12_1 (GRID P6-4Q) vs 12 (11_1) (Radeon HD 7870 XT). Maximum simultaneous displays: 0 vs 4.
| Feature | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| DirectX | 12_1 | 12 (11_1) |
| Max Displays | 0 | 4 |
Power & Dimensions
The GRID P6-4Q draws 100W versus the Radeon HD 7870 XT's 185W — a 59.6% difference. The GRID P6-4Q is more power-efficient. Recommended PSU: 350W (GRID P6-4Q) vs 500W (Radeon HD 7870 XT). Power connectors: PCIe-powered vs 2x 6-pin. Card length: 1mm vs 267mm, occupying 0 vs 2 slots.
| Feature | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| TDP | 100W-46% | 185W |
| Recommended PSU | 350W-30% | 500W |
| Power Connector | PCIe-powered | 2x 6-pin |
| Length | 1mm | 267mm |
| Height | — | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 80 |
| Perf/Watt | 44.3+83% | 24.2 |
Value Analysis
The GRID P6-4Q launched at $2000 MSRP and currently averages $150, while the Radeon HD 7870 XT launched at $270 and now averages $270. The GRID P6-4Q costs 44.4% less ($120 savings) at current market prices. Performance per dollar (G3D Mark / price): 29.5 (GRID P6-4Q) vs 16.6 (Radeon HD 7870 XT) — the GRID P6-4Q offers 77.7% better value. The GRID P6-4Q is the newer GPU (2015 vs 2012).
| Feature | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| MSRP | $2000 | $270-87% |
| Avg Price (30d) | $150-44% | $270 |
| Performance per Dollar | 29.5+78% | 16.6 |
| Codename | GM204 | Tahiti |
| Release | August 30 2015 | November 19 2012 |
| Ranking | #535 | #469 |
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