
Radeon HD 3850 X2

Radeon R7 M260DX
Radeon HD 3850 X2 vs Radeon R7 M260DX 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 3850 X2 vs Radeon R7 M260DX 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 3850 X2 vs Radeon R7 M260DX: 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 3850 X2
2011Why buy it
- ✅74.2% more average FPS across 50 tracked games in our benchmark data.
- ✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).
Trade-offs
- ❌2011 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌16.3% HIGHER MSRP$349 MSRPvs$300 MSRP
- ❌Lower G3D Mark per dollar, at 2.4 vs 2.7 G3D/$ ($349 MSRP vs $300 MSRP).
- ❌238.7% higher power demand at 254W vs 75W.
- ❌26600% longer card at 267mm vs 1mm.
Radeon R7 M260DX
2015Why buy it
- ✅Costs $49 less on MSRP ($300 MSRP vs $349 MSRP).
- ✅Delivers 15.6% more G3D Mark for each dollar spent, at 2.7 vs 2.4 G3D/$ ($300 MSRP vs $349 MSRP).
- ✅Draws 75W instead of 254W, a 179W reduction.
- ✅Measures 1mm instead of 267mm, a 266mm shorter card that is more SFF-friendly.
Trade-offs
- ❌Lower average FPS than Radeon HD 3850 X2 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
- ❌2015 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
Quick Answers
Which GPU is faster for gaming right now?
Which GPU is the safer long-term pick for 2026 and beyond?
Which GPU is the better buy today?
Radeon HD 3850 X2 vs Radeon R7 M260DX Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Radeon HD 3850 X2
The Radeon HD 3850 X2 is manufactured by AMD. It was released in September 19 2011. It features the TeraScale 2 architecture. The core clock speed is 800 MHz. It has 960 ×2 shading units. The thermal design power (TDP) is 254W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 822 points.

Radeon R7 M260DX
The Radeon R7 M260DX is manufactured by AMD. It was released in December 6 2015. It features the GCN 1.0 architecture. The core clock ranges from 620 MHz to 715 MHz. It has 384 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 817 points.
Graphics Performance
The Radeon HD 3850 X2 scores 822 and the Radeon R7 M260DX reaches 817 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The Radeon HD 3850 X2 is built on TeraScale 2 while the Radeon R7 M260DX uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 960 (Radeon HD 3850 X2) vs 384 (Radeon R7 M260DX). Raw compute: 1.536 TFLOPS ×2 (Radeon HD 3850 X2) vs 0.5491 TFLOPS (Radeon R7 M260DX).
| Feature | Radeon HD 3850 X2 | Radeon R7 M260DX |
|---|---|---|
| G3D Mark Score | 822 | 817 |
| Architecture | TeraScale 2 | GCN 1.0 |
| Process Node | 40 nm | 28 nm |
| Shading Units | 960 ×2+150% | 384 |
| Compute (TFLOPS) | 1.536 TFLOPS ×2+180% | 0.5491 TFLOPS |
| ROPs | 32 ×2+300% | 8 |
| TMUs | 48 ×2+100% | 24 |
| L1 Cache | 192 KB+100% | 96 KB |
| L2 Cache | 512 KB+100% | 256 KB |
| Frame Generation | FSR upscaling | FSR upscaling |
Advanced Features (DLSS/FSR)
| Feature | Radeon HD 3850 X2 | Radeon R7 M260DX |
|---|---|---|
| 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 3850 X2 has 1 GB of VRAM, while the Radeon R7 M260DX carries 512 MB. Radeon HD 3850 X2 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 3850 X2 and 128-bit on the Radeon R7 M260DX. L2 Cache: 512 KB (Radeon HD 3850 X2) vs 256 KB (Radeon R7 M260DX) — the Radeon HD 3850 X2 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | Radeon HD 3850 X2 | Radeon R7 M260DX |
|---|---|---|
| VRAM Capacity | 1 GB+100% | 0.5 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
| L2 Cache | 512 KB+100% | 256 KB |
Display & API Support
DirectX support: 10.1 (Radeon HD 3850 X2) vs 12_0 (Radeon R7 M260DX). Maximum simultaneous displays: 2 vs 0.
| Feature | Radeon HD 3850 X2 | Radeon R7 M260DX |
|---|---|---|
| DirectX | 10.1 | 12_0+19% |
| Max Displays | 2 | 0 |
Media & Encoding
Decoder: UVD+ vs UVD 4.2.
| Feature | Radeon HD 3850 X2 | Radeon R7 M260DX |
|---|---|---|
| Encoder | — | VCE 2.0 |
| Decoder | UVD+ | UVD 4.2 |
| Codecs | H.264,VC-1,MPEG-2 | — |
Power & Dimensions
The Radeon HD 3850 X2 draws 254W versus the Radeon R7 M260DX's 75W — a 108.8% difference. The Radeon R7 M260DX is more power-efficient. Recommended PSU: 450W (Radeon HD 3850 X2) vs 350W (Radeon R7 M260DX). Power connectors: 2x 6-pin vs Mobile. Card length: 267mm vs 1mm, occupying 2 vs 0 slots.
| Feature | Radeon HD 3850 X2 | Radeon R7 M260DX |
|---|---|---|
| TDP | 254W | 75W-70% |
| Recommended PSU | 450W | 350W-22% |
| Power Connector | 2x 6-pin | Mobile |
| Length | 267mm | 1mm |
| Slots | 2 | 0-100% |
| Temp (Load) | 90°C | — |
| Perf/Watt | 3.2 | 10.9+241% |
Value Analysis
At launch, the Radeon HD 3850 X2 came in at $349, while the Radeon R7 M260DX launched at $300. On MSRP, Radeon R7 M260DX was 14% cheaper ($49 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.4 (Radeon HD 3850 X2) vs 2.7 (Radeon R7 M260DX) — the Radeon R7 M260DX offers 12.5% better value. The newer card here is Radeon R7 M260DX (2015 vs 2011).
| Feature | Radeon HD 3850 X2 | Radeon R7 M260DX |
|---|---|---|
| MSRP | $349 | $300-14% |
| Performance per Dollar | 2.4 | 2.7+13% |
| Codename | Barts | Opal |
| Release | September 19 2011 | December 6 2015 |
| Ranking | #630 | #878 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing GPUs
The most powerful gpus ranked by G3D Mark benchmark scores.















