
Radeon HD 7990

Radeon HD 8970M Crossfire
Radeon HD 7990 vs Radeon HD 8970M Crossfire 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.
Radeon HD 7990 vs Radeon HD 8970M Crossfire 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

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Radeon HD 7990 vs Radeon HD 8970M Crossfire: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
Radeon HD 7990
2013Why buy it
- ✅35.4% more average FPS across 50 tracked games in our benchmark data.
Trade-offs
- ❌Less VRAM, with 3 GB vs 4 GB for high-resolution textures and newer games.
- ❌2013 hardware with 3 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌233% HIGHER MSRP$999 MSRPvs$300 MSRP
- ❌Lower G3D Mark per dollar, at 5.6 vs 18.3 G3D/$ ($999 MSRP vs $300 MSRP).
- ❌87.5% higher power demand at 375W vs 200W.
Radeon HD 8970M Crossfire
2012Why buy it
- ✅Costs $699 less on MSRP ($300 MSRP vs $999 MSRP).
- ✅Delivers 229.1% more G3D Mark for each dollar spent, at 18.3 vs 5.6 G3D/$ ($300 MSRP vs $999 MSRP).
- ✅33.3% more VRAM for high-resolution textures and newer games (4 GB vs 3 GB).
- ✅Draws 200W instead of 375W, a 175W reduction.
Trade-offs
- ❌Lower average FPS than Radeon HD 7990 across 50 tracked games in our benchmark data.
- ❌2012 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
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Radeon HD 7990 vs Radeon HD 8970M Crossfire Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.
Graphics Performance
The Radeon HD 7990 scores 5,566 and the Radeon HD 8970M Crossfire reaches 5,500 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The Radeon HD 7990 is built on GCN 1.0 while the Radeon HD 8970M Crossfire uses GCN, both on a 28 nm process. Shader units: 2,048 (Radeon HD 7990) vs 2,560 (Radeon HD 8970M Crossfire). Boost clocks: 1000 MHz vs 900 MHz.
| Feature | Radeon HD 7990 | Radeon HD 8970M Crossfire |
|---|---|---|
| G3D Mark Score | 5,566+1% | 5,500 |
| Architecture | GCN 1.0 | GCN |
| Process Node | 28 nm | 28 nm |
| Shading Units | 2048 ×2 | 2560+25% |
| Boost Clock | 1000 MHz+11% | 900 MHz |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 7990 | Radeon HD 8970M Crossfire |
|---|---|---|
| Upscaling Tech | FSR Upscaling / FSR 4 | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon HD 7990 has 3 GB of VRAM, while the Radeon HD 8970M Crossfire carries 4 GB. Radeon HD 8970M Crossfire gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 288 GB/s x2 (Radeon HD 7990) vs 153.6 GB/s x2 (Radeon HD 8970M Crossfire) — a 1776.1% advantage for the Radeon HD 7990. Memory bus width is 384-bit x2 on the Radeon HD 7990 and 256-bit x2 on the Radeon HD 8970M Crossfire.
| Feature | Radeon HD 7990 | Radeon HD 8970M Crossfire |
|---|---|---|
| VRAM Capacity | 3 GB | 4 GB+33% |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | 288 GB/s x2+88% | 153.6 GB/s x2 |
| Bus Width | 384-bit x2+50% | 256-bit x2 |
Power & Dimensions
The Radeon HD 7990 draws 375W versus the Radeon HD 8970M Crossfire's 200W — a 60.9% difference. The Radeon HD 8970M Crossfire is more power-efficient. Recommended PSU: 750W (Radeon HD 7990) vs 350W (Radeon HD 8970M Crossfire). Power connectors: 2x 8-pin vs 1x 6-pin.
| Feature | Radeon HD 7990 | Radeon HD 8970M Crossfire |
|---|---|---|
| TDP | 375W | 200W-47% |
| Recommended PSU | 750W | 350W-53% |
| Power Connector | 2x 8-pin | 1x 6-pin |
| Length | 305mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 85 | — |
| Perf/Watt | 14.8 | 27.5+86% |
Value Analysis
At launch, the Radeon HD 7990 came in at $999, while the Radeon HD 8970M Crossfire launched at $300. On MSRP, Radeon HD 8970M Crossfire was 70% cheaper ($699 less). Performance per dollar on MSRP (G3D Mark / MSRP): 5.6 (Radeon HD 7990) vs 18.3 (Radeon HD 8970M Crossfire) — the Radeon HD 8970M Crossfire offers 226.8% better value. The newer card here is Radeon HD 7990 (2013 vs 2012).
| Feature | Radeon HD 7990 | Radeon HD 8970M Crossfire |
|---|---|---|
| MSRP | $999 | $300-70% |
| Performance per Dollar | 5.6 | 18.3+227% |
| Codename | Malta | Neptune CF |
| Release | April 24 2013 | May 1 2012 |
| Ranking | #412 | #350 |
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