
GeForce GTX 860M

Radeon Steam Deck 8CU
GeForce GTX 860M vs Radeon Steam Deck 8CU 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 vs Radeon Steam Deck 8CU 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 vs Radeon Steam Deck 8CU: 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
2014Why buy it
- ✅Competitive enough if your priority is price, power, or specific feature preference.
Trade-offs
- ❌Lower average FPS than Radeon Steam Deck 8CU across 50 tracked games in our benchmark data.
- ❌2014 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
- ❌150% higher power demand at 75W vs 30W.
Radeon Steam Deck 8CU
2023Why buy it
- ✅59.1% more average FPS across 50 tracked games in our benchmark data.
- ✅Better long-term bet: RDNA 2 (2022−2023) on 6nm gives it a newer hardware base for upcoming games.
- ✅Draws 30W instead of 75W, a 45W reduction.
Trade-offs
- ❌Fewer clear downsides in this head-to-head, aside from the usual pricing and availability swings.
Quick Answers
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GeForce GTX 860M vs Radeon Steam Deck 8CU Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

GeForce GTX 860M
The GeForce GTX 860M is manufactured by NVIDIA. It was released in January 13 2014. It features the Maxwell architecture. The core clock ranges from 797 MHz to 1085 MHz. It has 1152 or 640 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 3,095 points.

Radeon Steam Deck 8CU
The Radeon Steam Deck 8CU is manufactured by AMD. It was released in November 9 2023. It features the RDNA 2 architecture. The boost clock speed is 1900 MHz. It has 512 shading units. The thermal design power (TDP) is 30W. Manufactured using 6 nm process technology. G3D Mark benchmark score: 3,000 points.
Graphics Performance
The GeForce GTX 860M scores 3,095 and the Radeon Steam Deck 8CU reaches 3,000 in the G3D Mark benchmark — just a 3.2% difference, making them near-identical in rasterization performance. The GeForce GTX 860M is built on Maxwell while the Radeon Steam Deck 8CU uses RDNA 2, both on 28 nm vs 6 nm. Shader units: 1,152 (GeForce GTX 860M) vs 512 (Radeon Steam Deck 8CU). Boost clocks: 1085 MHz vs 1900 MHz.
| Feature | GeForce GTX 860M | Radeon Steam Deck 8CU |
|---|---|---|
| G3D Mark Score | 3,095+3% | 3,000 |
| Architecture | Maxwell | RDNA 2 |
| Process Node | 28 nm | 6 nm |
| Shading Units | 1152 or 640+125% | 512 |
| Boost Clock | 1085 MHz | 1900 MHz+75% |
| L1 Cache | 320 KB | 512 KB+60% |
| L2 Cache | 2 MB+100% | 1 MB |
Advanced Features (DLSS/FSR)
The GeForce GTX 860M gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon Steam Deck 8CU leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce GTX 860M | Radeon Steam Deck 8CU |
|---|---|---|
| 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 and 64-bit on the Radeon Steam Deck 8CU. L2 Cache: 2 MB (GeForce GTX 860M) vs 1 MB (Radeon Steam Deck 8CU) — the GeForce GTX 860M has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce GTX 860M | Radeon Steam Deck 8CU |
|---|---|---|
| VRAM Capacity | 2 GB | 2 GB |
| Memory Type | GDDR5 | GDDR5 |
| Bus Width | 128-bit+100% | 64-bit |
| L2 Cache | 2 MB+100% | 1 MB |
Display & API Support
DirectX support: 11.0 (GeForce GTX 860M) vs 12_0 (Radeon Steam Deck 8CU). Maximum simultaneous displays: 1 vs 0.
| Feature | GeForce GTX 860M | Radeon Steam Deck 8CU |
|---|---|---|
| DirectX | 11.0 | 12_0+9% |
| Max Displays | 1 | 0 |
Media & Encoding
Hardware encoder: NVENC 2.0 (GeForce GTX 860M) vs VCN 3.0 (Radeon Steam Deck 8CU). Decoder: PureVideo HD VP6 vs VCN 3.0.
| Feature | GeForce GTX 860M | Radeon Steam Deck 8CU |
|---|---|---|
| Encoder | NVENC 2.0 | VCN 3.0 |
| Decoder | PureVideo HD VP6 | VCN 3.0 |
| Codecs | MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 | — |
Power & Dimensions
The GeForce GTX 860M draws 75W versus the Radeon Steam Deck 8CU's 30W — a 85.7% difference. The Radeon Steam Deck 8CU is more power-efficient. Recommended PSU: 350W (GeForce GTX 860M) vs 350W (Radeon Steam Deck 8CU). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.
| Feature | GeForce GTX 860M | Radeon Steam Deck 8CU |
|---|---|---|
| TDP | 75W | 30W-60% |
| Recommended PSU | 350W | 350W |
| Power Connector | PCIe-powered | PCIe-powered |
| Length | 0mm | 1mm |
| Height | 0mm | — |
| Slots | 0 | 0 |
| Temp (Load) | 80°C | — |
| Perf/Watt | 41.3 | 100.0+142% |
Value Analysis
The newer card here is Radeon Steam Deck 8CU (2023 vs 2014).
| Feature | GeForce GTX 860M | Radeon Steam Deck 8CU |
|---|---|---|
| MSRP | — | $0 |
| Codename | GM107 | RDNA 2 Sephiroth |
| Release | January 13 2014 | November 9 2023 |
| Ranking | #578 | #480 |
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