
Radeon HD 6990

Radeon R9 260
Radeon HD 6990 vs Radeon R9 260 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 6990 vs Radeon R9 260 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 6990 vs Radeon R9 260: 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 6990
2011Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Lower average FPS than Radeon R9 260 across 50 tracked games in our benchmark data.
- ❌2011 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌402.9% HIGHER MSRP$699 MSRPvs$139 MSRP
- ❌Lower G3D Mark per dollar, at 4.3 vs 21.9 G3D/$ ($699 MSRP vs $139 MSRP).
- ❌36.4% higher power demand at 375W vs 275W.
Radeon R9 260
2013Why buy it
- ✅22.0% more average FPS across 50 tracked games in our benchmark data.
- ✅Costs $560 less on MSRP ($139 MSRP vs $699 MSRP).
- ✅Delivers 408.6% more G3D Mark for each dollar spent, at 21.9 vs 4.3 G3D/$ ($139 MSRP vs $699 MSRP).
- ✅Draws 275W instead of 375W, a 100W reduction.
Trade-offs
- ❌2013 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
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Radeon HD 6990 vs Radeon R9 260 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 6990
The Radeon HD 6990 is manufactured by AMD. It was released in March 8 2011. It features the TeraScale 3 architecture. The core clock speed is 830 MHz. It has 1536 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 3,014 points. Launch price was $699.

Radeon R9 260
The Radeon R9 260 is manufactured by AMD. It was released in November 5 2013. It features the GCN 2.0 architecture. The core clock speed is 947 MHz. It has 2560 shading units. The thermal design power (TDP) is 275W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,048 points. Launch price was $399.
Graphics Performance
The Radeon HD 6990 scores 3,014 and the Radeon R9 260 reaches 3,048 in the G3D Mark benchmark — just a 1.1% difference, making them near-identical in rasterization performance. The Radeon HD 6990 is built on TeraScale 3 while the Radeon R9 260 uses GCN 2.0, both on 40 nm vs 28 nm. Shader units: 1,536 (Radeon HD 6990) vs 2,560 (Radeon R9 260). Raw compute: 2.55 TFLOPS ×2 (Radeon HD 6990) vs 4.849 TFLOPS (Radeon R9 260).
| Feature | Radeon HD 6990 | Radeon R9 260 |
|---|---|---|
| G3D Mark Score | 3,014 | 3,048+1% |
| Architecture | TeraScale 3 | GCN 2.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1536 ×2 | 2560+67% |
| Compute (TFLOPS) | 2.55 TFLOPS ×2 | 4.849 TFLOPS+90% |
| ROPs | 32 ×2 | 64+100% |
| TMUs | 96 ×2 | 160+67% |
| L1 Cache | 384 KB | 640 KB+67% |
| L2 Cache | 0.5 MB | 1 MB+100% |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6990 | Radeon R9 260 |
|---|---|---|
| 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)
Both cards ship with 2 GB of GDDR5. Memory bus width is 128-bit on the Radeon HD 6990 and 128-bit on the Radeon R9 260. L2 Cache: 0.5 MB (Radeon HD 6990) vs 1 MB (Radeon R9 260) — the Radeon R9 260 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6990 | Radeon R9 260 |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 0.5 MB | 1 MB+100% |
Power & Dimensions
The Radeon HD 6990 draws 375W versus the Radeon R9 260's 275W — a 30.8% difference. The Radeon R9 260 is more power-efficient. Recommended PSU: 750W (Radeon HD 6990) vs 450W (Radeon R9 260). Power connectors: 2x 8-pin vs 1x 6-pin.
| Feature | Radeon HD 6990 | Radeon R9 260 |
|---|---|---|
| TDP | 375W | 275W-27% |
| Recommended PSU | 750W | 450W-40% |
| Power Connector | 2x 8-pin | 1x 6-pin |
| Length | 310mm | — |
| Height | 115mm | — |
| Slots | 2 | — |
| Temp (Load) | 85 | — |
| Perf/Watt | 8.0 | 11.1+39% |
Value Analysis
At launch, the Radeon HD 6990 came in at $699, while the Radeon R9 260 launched at $139. On MSRP, Radeon R9 260 was 80.1% cheaper ($560 less). Performance per dollar on MSRP (G3D Mark / MSRP): 4.3 (Radeon HD 6990) vs 21.9 (Radeon R9 260) — the Radeon R9 260 offers 409.3% better value. The newer card here is Radeon R9 260 (2013 vs 2011).
| Feature | Radeon HD 6990 | Radeon R9 260 |
|---|---|---|
| MSRP | $699 | $139-80% |
| Performance per Dollar | 4.3 | 21.9+409% |
| Codename | Antilles | Hawaii |
| Release | March 8 2011 | November 5 2013 |
| Ranking | #583 | #316 |
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