
Radeon R7 260X vs Radeon HD 6990M

Radeon R7 260X
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Radeon HD 6990M
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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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon HD 6990M
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
🚀 Performance Leadership
The Radeon HD 6990M is the superior choice for raw performance. It leads with a 2.1% higher G3D Mark score. This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon R7 260X.
| Insight | Radeon R7 260X | Radeon HD 6990M |
|---|---|---|
| Performance | ❌Lower raw frame rates (-2.1%) | ✅Leading raw performance (+2.1%) |
| Longevity | 🛑Obsolete Architecture (2013 / GCN 2.0 (2013−2017)) | 🛑Obsolete Architecture (2011 / TeraScale 2 (2009−2015)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+0%) |
| Efficiency | Normal Efficiency | 💡 Excellent Perf/Watt |
| Case Fit | 📏 Compact / SFF Friendly | — |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 6990M 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 R7 260X and Radeon HD 6990M

Radeon R7 260X
The Radeon R7 260X is manufactured by AMD. It was released in October 8 2013. It features the GCN 2.0 architecture. The boost clock speed is 1000 MHz. It has 896 shading units. The thermal design power (TDP) is 115W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,198 points. Launch price was $139.

Radeon HD 6990M
The Radeon HD 6990M is manufactured by AMD. It was released in July 12 2011. It features the TeraScale 2 architecture. The core clock speed is 715 MHz. It has 1120 shading units. The thermal design power (TDP) is 100W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 3,264 points.
Graphics Performance
The Radeon R7 260X scores 3,198 and the Radeon HD 6990M reaches 3,264 in the G3D Mark benchmark — just a 2.1% difference, making them near-identical in rasterization performance. The Radeon R7 260X is built on GCN 2.0 while the Radeon HD 6990M uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 896 (Radeon R7 260X) vs 1,120 (Radeon HD 6990M). Raw compute: 1.971 TFLOPS (Radeon R7 260X) vs 1.602 TFLOPS (Radeon HD 6990M).
| Feature | Radeon R7 260X | Radeon HD 6990M |
|---|---|---|
| G3D Mark Score | 3,198 | 3,264+2% |
| Architecture | GCN 2.0 | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 896 | 1120+25% |
| Compute (TFLOPS) | 1.971 TFLOPS+23% | 1.602 TFLOPS |
| ROPs | 16 | 32+100% |
| TMUs | 56 | 56 |
| L1 Cache | 224 KB | 224 KB |
| L2 Cache | 256 KB | 512 KB+100% |
Advanced Features (DLSS/FSR)
| Feature | Radeon R7 260X | Radeon HD 6990M |
|---|---|---|
| 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 video memory. Bus width: 128-bit vs System. L2 Cache: 256 KB (Radeon R7 260X) vs 512 KB (Radeon HD 6990M) — the Radeon HD 6990M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon R7 260X | Radeon HD 6990M |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | Shared |
| Memory Bandwidth | 104 GB/s | System |
| Bus Width | 128-bit | System |
| L2 Cache | 256 KB | 512 KB+100% |
Power & Dimensions
The Radeon R7 260X draws 115W versus the Radeon HD 6990M's 100W — a 14% difference. The Radeon HD 6990M is more power-efficient. Recommended PSU: 500W (Radeon R7 260X) vs 350W (Radeon HD 6990M). Power connectors: 1x 6-pin vs 1x 6-pin.
| Feature | Radeon R7 260X | Radeon HD 6990M |
|---|---|---|
| TDP | 115W | 100W-13% |
| Recommended PSU | 500W | 350W-30% |
| Power Connector | 1x 6-pin | 1x 6-pin |
| Length | 170mm | — |
| Height | 111mm | — |
| Slots | 2 | — |
| Temp (Load) | 80 | — |
| Perf/Watt | 27.8 | 32.6+17% |
Value Analysis
The Radeon R7 260X is the newer GPU (2013 vs 2011).
| Feature | Radeon R7 260X | Radeon HD 6990M |
|---|---|---|
| MSRP | $139 | — |
| Avg Price (30d) | $150 | — |
| Codename | Bonaire | Blackcomb |
| Release | October 8 2013 | July 12 2011 |
| Ranking | #568 | #691 |
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