
Radeon HD 6990

Radeon R7 260
Radeon HD 6990 vs Radeon R7 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 R7 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 R7 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
- ✅98.2% more average FPS across 50 tracked games in our benchmark data.
- ✅100% more VRAM for high-resolution textures and newer games (2 GB vs 1 GB).
- ✅Radeon R7 260 is already obsolete for modern gaming, so Radeon HD 6990 is the less risky modern option long term.
Trade-offs
- ❌2011 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌541.3% HIGHER MSRP$699 MSRPvs$109 MSRP
- ❌Lower G3D Mark per dollar, at 4.3 vs 26.5 G3D/$ ($699 MSRP vs $109 MSRP).
- ❌294.7% higher power demand at 375W vs 95W.
- ❌82.4% longer card at 310mm vs 170mm.
Radeon R7 260
2013Why buy it
- ✅Costs $590 less on MSRP ($109 MSRP vs $699 MSRP).
- ✅Delivers 515.3% more G3D Mark for each dollar spent, at 26.5 vs 4.3 G3D/$ ($109 MSRP vs $699 MSRP).
- ✅Draws 95W instead of 375W, a 280W reduction.
- ✅Measures 170mm instead of 310mm, a 140mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than Radeon HD 6990 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 1 GB vs 2 GB for high-resolution textures and newer games.
- ❌2013 hardware with 1 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 6990 vs Radeon R7 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 R7 260
The Radeon R7 260 is manufactured by AMD. It was released in December 17 2013. It features the GCN 2.0 architecture. The boost clock speed is 1100 MHz. It has 768 shading units. The thermal design power (TDP) is 95W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,892 points. Launch price was $109.
Graphics Performance
The Radeon HD 6990 scores 3,014 and the Radeon R7 260 reaches 2,892 in the G3D Mark benchmark — just a 4.2% difference, making them near-identical in rasterization performance. The Radeon HD 6990 is built on TeraScale 3 while the Radeon R7 260 uses GCN 2.0, both on 40 nm vs 28 nm. Shader units: 1,536 (Radeon HD 6990) vs 768 (Radeon R7 260). Raw compute: 2.55 TFLOPS ×2 (Radeon HD 6990) vs 1.536 TFLOPS (Radeon R7 260).
| Feature | Radeon HD 6990 | Radeon R7 260 |
|---|---|---|
| G3D Mark Score | 3,014+4% | 2,892 |
| Architecture | TeraScale 3 | GCN 2.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 1536 ×2+100% | 768 |
| Compute (TFLOPS) | 2.55 TFLOPS ×2+66% | 1.536 TFLOPS |
| ROPs | 32 ×2+100% | 16 |
| TMUs | 96 ×2+100% | 48 |
| L1 Cache | 384 KB+100% | 192 KB |
| L2 Cache | 512 KB+100% | 256 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 6990 | Radeon R7 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)
The Radeon HD 6990 has 2 GB of VRAM, while the Radeon R7 260 carries 1 GB. Radeon HD 6990 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the Radeon HD 6990 and 128-bit on the Radeon R7 260. L2 Cache: 512 KB (Radeon HD 6990) vs 256 KB (Radeon R7 260) — the Radeon HD 6990 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 6990 | Radeon R7 260 |
|---|---|---|
| VRAM Capacity | 2 GB+100% | 1 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | 96 GB/s |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 11.2 (Radeon HD 6990) vs 12 (12_0) (Radeon R7 260). Vulkan: None vs 1.2. OpenGL: 4.4 vs 4.6. Maximum simultaneous displays: 5 vs 3.
| Feature | Radeon HD 6990 | Radeon R7 260 |
|---|---|---|
| DirectX | 11.2 | 12 (12_0)+7% |
| Vulkan | None | 1.2 |
| OpenGL | 4.4 | 4.6+5% |
| Max Displays | 5+67% | 3 |
Media & Encoding
Hardware encoder: None (Radeon HD 6990) vs VCE 2.0 (Radeon R7 260). Decoder: UVD 3.0 vs UVD 4.2. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 (Radeon HD 6990) vs H.264,VC-1,MPEG-2,MVC (Radeon R7 260).
| Feature | Radeon HD 6990 | Radeon R7 260 |
|---|---|---|
| Encoder | None | VCE 2.0 |
| Decoder | UVD 3.0 | UVD 4.2 |
| Codecs | H.264,VC-1,MPEG-2,MPEG-4 | H.264,VC-1,MPEG-2,MVC |
Power & Dimensions
The Radeon HD 6990 draws 375W versus the Radeon R7 260's 95W — a 119.1% difference. The Radeon R7 260 is more power-efficient. Recommended PSU: 750W (Radeon HD 6990) vs 400W (Radeon R7 260). Power connectors: 2x 8-pin vs 1x 6-pin. Card length: 310mm vs 170mm, occupying 2 vs 2 slots. Typical load temperature: 85 vs 80.
| Feature | Radeon HD 6990 | Radeon R7 260 |
|---|---|---|
| TDP | 375W | 95W-75% |
| Recommended PSU | 750W | 400W-47% |
| Power Connector | 2x 8-pin | 1x 6-pin |
| Length | 310mm | 170mm |
| Height | 115mm | 112mm |
| Slots | 2 | 2 |
| Temp (Load) | 85 | 80-6% |
| Perf/Watt | 8.0 | 30.4+280% |
Value Analysis
At launch, the Radeon HD 6990 came in at $699, while the Radeon R7 260 launched at $109. On MSRP, Radeon R7 260 was 84.4% cheaper ($590 less). Performance per dollar on MSRP (G3D Mark / MSRP): 4.3 (Radeon HD 6990) vs 26.5 (Radeon R7 260) — the Radeon R7 260 offers 516.3% better value. The newer card here is Radeon R7 260 (2013 vs 2011).
| Feature | Radeon HD 6990 | Radeon R7 260 |
|---|---|---|
| MSRP | $699 | $109-84% |
| Performance per Dollar | 4.3 | 26.5+516% |
| Codename | Antilles | Bonaire |
| Release | March 8 2011 | December 17 2013 |
| Ranking | #583 | #591 |
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