
GeForce GTX 860M SLI

Radeon HD 6850 X2
GeForce GTX 860M SLI vs Radeon HD 6850 X2 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.
GeForce GTX 860M SLI vs Radeon HD 6850 X2 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
GeForce GTX 860M SLI vs Radeon HD 6850 X2: Pros, Cons & Final Verdict
See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.
GeForce GTX 860M SLI
2014Why buy it
- ✅13.2% more average FPS across 50 tracked games in our benchmark data.
- ✅Draws 120W instead of 254W, a 134W reduction.
- ✅More future proof: Maxwell (2014−2017) on 28nm with a newer platform for upcoming games.
Trade-offs
- ❌2014 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌Lower G3D Mark per dollar, at 0 vs 7.2 G3D/$ (Unknown MSRP vs $350 MSRP).
Radeon HD 6850 X2
2011Why buy it
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 7.2 vs 0 G3D/$ ($350 MSRP vs Unknown MSRP).
Trade-offs
- ❌Lower average FPS than GeForce GTX 860M SLI 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.
- ❌111.7% higher power demand at 254W vs 120W.
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GeForce GTX 860M SLI vs Radeon HD 6850 X2 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GTX 860M SLI
The GeForce GTX 860M SLI is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock speed is 1029 MHz. It has 1280 shading units. The thermal design power (TDP) is 120W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,500 points.

Radeon HD 6850 X2
The Radeon HD 6850 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: 2,534 points.
Graphics Performance
The GeForce GTX 860M SLI scores 2,500 and the Radeon HD 6850 X2 reaches 2,534 in the G3D Mark benchmark — just a 1.4% difference, making them near-identical in rasterization performance. The GeForce GTX 860M SLI is built on Maxwell while the Radeon HD 6850 X2 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 1,280 (GeForce GTX 860M SLI) vs 960 (Radeon HD 6850 X2).
| Feature | GeForce GTX 860M SLI | Radeon HD 6850 X2 |
|---|---|---|
| G3D Mark Score | 2,500 | 2,534+1% |
| Architecture | Maxwell | TeraScale 2 |
| Process Node | 28 nm | 40 nm |
| Shading Units | 1280+33% | 960 ×2 |
Advanced Features (DLSS/FSR)
The GeForce GTX 860M SLI gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 6850 X2 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 860M SLI | Radeon HD 6850 X2 |
|---|---|---|
| Upscaling Tech | Upscaling support | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
Both cards ship with 2 GB of GDDR5. Memory bus width is 128-bit on the GeForce GTX 860M SLI and 128-bit on the Radeon HD 6850 X2.
| Feature | GeForce GTX 860M SLI | Radeon HD 6850 X2 |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bandwidth | Unknown | Unknown |
| Bus Width | 128-bit | 128-bit |
Power & Dimensions
The GeForce GTX 860M SLI draws 120W versus the Radeon HD 6850 X2's 254W — a 71.7% difference. The GeForce GTX 860M SLI is more power-efficient. Recommended PSU: 350W (GeForce GTX 860M SLI) vs 600W (Radeon HD 6850 X2). Power connectors: PCIe-powered vs 2x 8-pin.
| Feature | GeForce GTX 860M SLI | Radeon HD 6850 X2 |
|---|---|---|
| TDP | 120W-53% | 254W |
| Recommended PSU | 350W-42% | 600W |
| Power Connector | PCIe-powered | 2x 8-pin |
| Length | — | 285mm |
| Slots | — | 2 |
| Perf/Watt | 20.8+108% | 10.0 |
Value Analysis
The newer card here is GeForce GTX 860M SLI (2014 vs 2011).
| Feature | GeForce GTX 860M SLI | Radeon HD 6850 X2 |
|---|---|---|
| MSRP | — | $350 |
| Codename | — | Barts |
| Release | March 12 2014 | September 19 2011 |
| Ranking | #457 | #630 |
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