
GRID P6-4Q

Radeon HD 7870 XT
GRID P6-4Q vs Radeon HD 7870 XT 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 P6-4Q vs Radeon HD 7870 XT 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 P6-4Q vs Radeon HD 7870 XT: 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 P6-4Q
2015Why buy it
- β Draws 100W instead of 185W, a 85W reduction.
- β Measures 1mm instead of 267mm, a 266mm shorter card that is more SFF-friendly.
- β More future proof: Maxwell 2.0 (2014β2019) on 28nm with a newer platform for upcoming games.
Trade-offs
- β2015 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- β640.7% HIGHER MSRP$2,000 MSRPvs$270 MSRP
- βLower G3D Mark per dollar, at 2.2 vs 16.6 G3D/$ ($2,000 MSRP vs $270 MSRP).
Radeon HD 7870 XT
2012Why buy it
- β Costs $1,730 less on MSRP ($270 MSRP vs $2,000 MSRP).
- β Delivers 647.6% more G3D Mark for each dollar spent, at 16.6 vs 2.2 G3D/$ ($270 MSRP vs $2,000 MSRP).
Trade-offs
- β2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- β85% higher power demand at 185W vs 100W.
- β26600% longer card at 267mm vs 1mm.
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GRID P6-4Q vs Radeon HD 7870 XT Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 β 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 | 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 P6-4Q and 256-bit on the Radeon HD 7870 XT. L2 Cache: 2 MB (GRID P6-4Q) vs 0.5 MB (Radeon HD 7870 XT) β 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 β 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 | β | 111mm |
| Slots | 0-100% | 2 |
| Temp (Load) | β | 80 |
| Perf/Watt | 44.3+83% | 24.2 |
Value Analysis
At launch, the GRID P6-4Q came in at $2000, while the Radeon HD 7870 XT launched at $270. On MSRP, Radeon HD 7870 XT was 86.5% cheaper ($1730 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.2 (GRID P6-4Q) vs 16.6 (Radeon HD 7870 XT) β the Radeon HD 7870 XT offers 654.5% better value. The newer card here is GRID P6-4Q (2015 vs 2012).
| Feature | GRID P6-4Q | Radeon HD 7870 XT |
|---|---|---|
| MSRP | $2000 | $270-87% |
| Performance per Dollar | 2.2 | 16.6+655% |
| Codename | GM204 | Tahiti |
| Release | August 30 2015 | November 19 2012 |
| Ranking | #535 | #469 |
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