Radeon Instinct MI25 MxGPU vs Radeon HD 7870 XT
Radeon Instinct MI25 MxGPU
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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 Radeon Instinct MI25 MxGPU is positioned at rank #24 in our cost-efficiency ranking, representing a Great 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 Radeon Instinct MI25 MxGPU
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 1.5% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Instinct MI25 MxGPU.
| Insight | Radeon Instinct MI25 MxGPU | Radeon HD 7870 XT |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.5%) | ✅Leading raw performance (+1.5%) |
| Longevity | 🛑Obsolete Architecture (2017 / GCN 5.0 (2017−2020)) | 🛑Obsolete Architecture (2012 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | ⚡ Higher Power Consumption | 💡 Excellent Perf/Watt |
| Case Fit | — | Standard Size (267mm) |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 7870 XT 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 Instinct MI25 MxGPU and Radeon HD 7870 XT
Radeon Instinct MI25 MxGPU
The Radeon Instinct MI25 MxGPU is manufactured by AMD. It was released in June 27 2017. It features the GCN 5.0 architecture. The core clock ranges from 1400 MHz to 1500 MHz. It has 4096 ×2 shading units. The thermal design power (TDP) is 300W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 4,403 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 Radeon Instinct MI25 MxGPU scores 4,403 and the Radeon HD 7870 XT reaches 4,470 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The Radeon Instinct MI25 MxGPU is built on GCN 5.0 while the Radeon HD 7870 XT uses GCN 1.0, both on 14 nm vs 28 nm. Shader units: 4,096 (Radeon Instinct MI25 MxGPU) vs 1,536 (Radeon HD 7870 XT). Raw compute: 12.29 TFLOPS ×2 (Radeon Instinct MI25 MxGPU) vs 2.995 TFLOPS (Radeon HD 7870 XT). Boost clocks: 1500 MHz vs 975 MHz.
| Feature | Radeon Instinct MI25 MxGPU | Radeon HD 7870 XT |
|---|---|---|
| G3D Mark Score | 4,403 | 4,470+2% |
| Architecture | GCN 5.0 | GCN 1.0 |
| Process Node | 14 nm | 28 nm |
| Shading Units | 4096 ×2+167% | 1536 |
| Compute (TFLOPS) | 12.29 TFLOPS ×2+310% | 2.995 TFLOPS |
| Boost Clock | 1500 MHz+54% | 975 MHz |
| ROPs | 64 ×2+100% | 32 |
| TMUs | 256 ×2+167% | 96 |
| L1 Cache | 1 MB+163% | 0.38 MB |
| L2 Cache | 4 MB+700% | 0.5 MB |
Advanced Features (DLSS/FSR)
| Feature | Radeon Instinct MI25 MxGPU | 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 | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
Both cards feature 2 GB of GDDR5. Bus width: 64-bit vs 256-bit. L2 Cache: 4 MB (Radeon Instinct MI25 MxGPU) vs 0.5 MB (Radeon HD 7870 XT) — the Radeon Instinct MI25 MxGPU has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon Instinct MI25 MxGPU | Radeon HD 7870 XT |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 64-bit | 256-bit+300% |
| L2 Cache | 4 MB+700% | 0.5 MB |
Power & Dimensions
The Radeon Instinct MI25 MxGPU draws 300W versus the Radeon HD 7870 XT's 185W — a 47.4% difference. The Radeon HD 7870 XT is more power-efficient. Recommended PSU: 350W (Radeon Instinct MI25 MxGPU) vs 500W (Radeon HD 7870 XT). Power connectors: PCIe-powered vs 2x 6-pin.
| Feature | Radeon Instinct MI25 MxGPU | Radeon HD 7870 XT |
|---|---|---|
| TDP | 300W | 185W-38% |
| Recommended PSU | 350W-30% | 500W |
| Power Connector | PCIe-powered | 2x 6-pin |
| Length | — | 267mm |
| Height | — | 111mm |
| Slots | — | 2 |
| Temp (Load) | — | 80 |
| Perf/Watt | 14.7 | 24.2+65% |
Value Analysis
The Radeon Instinct MI25 MxGPU is the newer GPU (2017 vs 2012).
| Feature | Radeon Instinct MI25 MxGPU | Radeon HD 7870 XT |
|---|---|---|
| MSRP | — | $270 |
| Avg Price (30d) | — | $270 |
| Codename | Vega 10 | Tahiti |
| Release | June 27 2017 | November 19 2012 |
| Ranking | #474 | #469 |
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