
Radeon HD 8970M Crossfire vs Radeon HD 7990

Radeon HD 8970M Crossfire
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Radeon HD 7990
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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 HD 8970M Crossfire is positioned at rank #264 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 Radeon HD 8970M Crossfire
Performance Per Dollar
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 7990 is the superior choice for raw performance. It leads with a 1.2% higher G3D Mark score. However, the Radeon HD 8970M Crossfire offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.
| Insight | Radeon HD 8970M Crossfire | Radeon HD 7990 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.2%) | ✅Leading raw performance (+1.2%) |
| Longevity | 🛑Obsolete Architecture (2012 / GCN (2012−2015)) | 🛑Obsolete Architecture (2013 / GCN 1.0 (2012−2020)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ✅ More VRAM (+33.3%) | ❌ Less VRAM capacity |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | Standard Size (305mm) |
💎 Value Proposition
The Radeon HD 8970M Crossfire offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the Radeon HD 8970M Crossfire holds the technical lead. Priced at $75 (vs $999), it costs 92% less, resulting in a 1216.2% higher cost efficiency score.
| Insight | Radeon HD 8970M Crossfire | Radeon HD 7990 |
|---|---|---|
| Cost Efficiency | ✅Better overall value (+1216.2%) | ❌Lower cost efficiency |
| Upfront Cost | ✅More affordable ($75) | ⚠️Higher upfront cost ($999) |
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 8970M Crossfire and Radeon HD 7990

Radeon HD 8970M Crossfire
The Radeon HD 8970M Crossfire is manufactured by AMD. It was released in May 1 2012. It features the GCN architecture. The core clock ranges from 850 MHz to 900 MHz. It has 2560 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,500 points.

Radeon HD 7990
The Radeon HD 7990 is manufactured by AMD. It was released in April 24 2013. It features the GCN 1.0 architecture. The core clock ranges from 950 MHz to 1000 MHz. It has 2048 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 5,566 points. Launch price was $999.
Graphics Performance
The Radeon HD 8970M Crossfire scores 5,500 and the Radeon HD 7990 reaches 5,566 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon HD 8970M Crossfire is built on GCN while the Radeon HD 7990 uses GCN 1.0, both on a 28 nm process. Shader units: 2,560 (Radeon HD 8970M Crossfire) vs 2,048 (Radeon HD 7990). Boost clocks: 900 MHz vs 1000 MHz.
| Feature | Radeon HD 8970M Crossfire | Radeon HD 7990 |
|---|---|---|
| G3D Mark Score | 5,500 | 5,566+1% |
| Architecture | GCN | GCN 1.0 |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2560+25% | 2048 ×2 |
| Boost Clock | 900 MHz | 1000 MHz+11% |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 8970M Crossfire | Radeon HD 7990 |
|---|---|---|
| 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 8970M Crossfire comes with 4 GB of VRAM, while the Radeon HD 7990 has 3 GB. The Radeon HD 8970M Crossfire offers 33.3% more capacity, crucial for higher resolutions and texture-heavy games. Memory bandwidth: 153.6 GB/s x2 (Radeon HD 8970M Crossfire) vs 288 GB/s x2 (Radeon HD 7990) — a 1776.1% advantage for the Radeon HD 7990. Bus width: 256-bit x2 vs 384-bit x2.
| Feature | Radeon HD 8970M Crossfire | Radeon HD 7990 |
|---|---|---|
| VRAM Capacity | 4 GB+33% | 3 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 153.6 GB/s x2 | 288 GB/s x2+88% |
| Bus Width | 256-bit x2 | 384-bit x2+50% |
Power & Dimensions
The Radeon HD 8970M Crossfire draws 200W versus the Radeon HD 7990's 375W — a 60.9% difference. The Radeon HD 8970M Crossfire is more power-efficient. Recommended PSU: 350W (Radeon HD 8970M Crossfire) vs 750W (Radeon HD 7990). Power connectors: 1x 6-pin vs 2x 8-pin.
| Feature | Radeon HD 8970M Crossfire | Radeon HD 7990 |
|---|---|---|
| TDP | 200W-47% | 375W |
| Recommended PSU | 350W-53% | 750W |
| Power Connector | 1x 6-pin | 2x 8-pin |
| Length | — | 305mm |
| Height | — | 111mm |
| Slots | — | 2 |
| Temp (Load) | — | 85 |
| Perf/Watt | 27.5+86% | 14.8 |
Value Analysis
The Radeon HD 8970M Crossfire launched at $300 MSRP and currently averages $75, while the Radeon HD 7990 launched at $999 and now averages $999. The Radeon HD 8970M Crossfire costs 92.5% less ($924 savings) at current market prices. Performance per dollar (G3D Mark / price): 73.3 (Radeon HD 8970M Crossfire) vs 5.6 (Radeon HD 7990) — the Radeon HD 8970M Crossfire offers 1208.9% better value. The Radeon HD 7990 is the newer GPU (2013 vs 2012).
| Feature | Radeon HD 8970M Crossfire | Radeon HD 7990 |
|---|---|---|
| MSRP | $300-70% | $999 |
| Avg Price (30d) | $75-92% | $999 |
| Performance per Dollar | 73.3+1209% | 5.6 |
| Codename | Neptune CF | Malta |
| Release | May 1 2012 | April 24 2013 |
| Ranking | #350 | #412 |
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