
Radeon HD 7870M
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Radeon R5 (Bristol Ridge)
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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. The Radeon HD 7870M is positioned at rank 122 and the Radeon R5 (Bristol Ridge) is on rank 185, so the Radeon HD 7870M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Radeon HD 7870M
Performance Per Dollar Radeon R5 (Bristol Ridge)
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7870M is the superior choice for raw performance. It leads with a 0.5% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R5 (Bristol Ridge).
| Insight | Radeon HD 7870M | Radeon R5 (Bristol Ridge) |
|---|---|---|
| Performance | ✅Leading raw performance (+0.5%) | ❌Lower raw frame rates (-0.5%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) | 🛑Obsolete Architecture (2016 / GCN 1.2/2.0 (2015−2016)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+300%) | ❌ Less VRAM capacity |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 7870M remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
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 7870M and Radeon R5 (Bristol Ridge)

Radeon HD 7870M
The Radeon HD 7870M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 800 MHz. It has 640 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,507 points.

Radeon R5 (Bristol Ridge)
The Radeon R5 (Bristol Ridge) is manufactured by AMD. It was released in June 1 2016. It features the GCN 1.2/2.0 architecture. The boost clock speed is 800 MHz. It has 384 shading units. The thermal design power (TDP) is 12W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,500 points.
Graphics Performance
The Radeon HD 7870M scores 1,507 and the Radeon R5 (Bristol Ridge) reaches 1,500 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The Radeon HD 7870M is built on GCN 1.0 while the Radeon R5 (Bristol Ridge) uses GCN 1.2/2.0, both on a 28 nm process. Shader units: 640 (Radeon HD 7870M) vs 384 (Radeon R5 (Bristol Ridge)).
| Feature | Radeon HD 7870M | Radeon R5 (Bristol Ridge) |
|---|---|---|
| G3D Mark Score | 1,507 | 1,500 |
| Architecture | GCN 1.0 | GCN 1.2/2.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 640+67% | 384 |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7870M | Radeon R5 (Bristol Ridge) |
|---|---|---|
| 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 | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon HD 7870M comes with 2 GB of VRAM, while the Radeon R5 (Bristol Ridge) has 512 MB. The Radeon HD 7870M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 128-bit.
| Feature | Radeon HD 7870M | Radeon R5 (Bristol Ridge) |
|---|---|---|
| VRAM Capacity | 2 GB+300% | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 128-bit |
Power & Dimensions
The Radeon HD 7870M draws 45W versus the Radeon R5 (Bristol Ridge)'s 12W — a 115.8% difference. The Radeon R5 (Bristol Ridge) is more power-efficient. Recommended PSU: 350W (Radeon HD 7870M) vs 350W (Radeon R5 (Bristol Ridge)). Power connectors: 1x 6-pin vs PCIe-powered.
| Feature | Radeon HD 7870M | Radeon R5 (Bristol Ridge) |
|---|---|---|
| TDP | 45W | 12W-73% |
| Recommended PSU | 350W | 350W |
| Power Connector | 1x 6-pin | PCIe-powered |
| Perf/Watt | 33.5 | 125.0+273% |
Value Analysis
The Radeon R5 (Bristol Ridge) is the newer GPU (2016 vs 2012).
| Feature | Radeon HD 7870M | Radeon R5 (Bristol Ridge) |
|---|---|---|
| MSRP | — | $50 |
| Avg Price (30d) | — | $50 |
| Codename | Heathrow | Bristol Ridge |
| Release | April 24 2012 | June 1 2016 |
| Ranking | #765 | #904 |
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