Radeon HD 3870 X2
AMD graphics card · Radeon HD 3000 series · launched January 2008
Check the price on AmazonAffiliate link. Street prices move; the figures on this page are launch prices.
Launch price in today's dollars
The Radeon HD 3870 X2 launched at $449 in 2008. Adjusted with the U.S. Consumer Price Index, that is about $690 in 2026 dollars (7-month average), a 54% rise over 18 years.
Method: launch price × (CPI 2026 average ÷ CPI 2008 average), calendar-year averages of BLS series CPIAUCSL. 2026 covers 7 months so far.
Specifications
| Vendor | AMD |
|---|---|
| Series | Radeon HD 3000 series |
| Launched | January 2008 |
| Launch price | $449 |
| Architecture | TeraScale |
| Chip | R680 |
| Memory | 512 MB (also 2 MB) |
| Memory type | GDDR3 |
| Memory bus | 256-bit |
| Memory bandwidth | 57.6 GB/s |
| Core clock | 825 MHz |
| FP32 compute | 0.53 TFLOPS |
| Rated power | 165 W (TDP) |
| Transistors | 666 million |
| Die size | 192 mm² |
| Process | 55 nm |
| Bus interface | PCIe 2.0 ×16 |
| Tier | 80-class |
The AMD 80-class over time
AMD graphics cards in the same tier around this one, oldest first, re-releases left out. Prices in launch dollars and in 2026 dollars; scores are Blender 4.x medians where they exist.
| Part | Year | Launch price | In 2026 $ | Blender |
|---|---|---|---|---|
| Radeon HD 3850 | 2007 | $179 | $286 | — |
| Radeon HD 3870 | 2007 | $219 | $350 | — |
| Radeon HD 3870 X2 | 2008 | $449 | $690 | — |
| Radeon HD 3830 | 2008 | $129 | $198 | — |
| Radeon HD 3850 X2 | 2008 | $349 | $536 | — |
| Radeon HD 4850 | 2008 | $199 | $306 | — |
| Radeon HD 4870 | 2008 | $299 | $460 | — |
| Radeon HD 4870 X2 | 2008 | $449 | $690 | — |
| Radeon HD 4830 | 2008 | $130 | $200 | — |
| Radeon HD 4850 X2 | 2008 | $339 | $521 | — |
| Radeon HD 4890 | 2009 | $249 | $384 | — |
| Radeon HD 4810 | 2009 | — | — | — |
| Radeon HD 4860 | 2009 | — | — | — |
| Radeon HD 5850 | 2009 | $259 | $399 | — |
| Radeon HD 5870 | 2009 | $379 | $584 | — |
| Radeon HD 5830 | 2010 | $239 | $363 | — |
Compare with
- Radeon HD 3850 X2 · 2008 · $349
- Radeon HD 4850 X2 · 2008 · $339
- Radeon HD 4870 X2 · 2008 · $449
- Radeon HD 2900 XT · 2007 · $399
- Radeon HD 5870 · 2009 · $379
- GeForce 8800 GT Mac Edition · 2008 · $349
- GeForce GTX 260 · 2008 · $449
- GeForce GTX 260 Rev. 2 · 2008 · $449
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