GeForce RTX 3070
RadeonT 660M
GeForce RTX 3070 vs RadeonT 660M 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 RTX 3070 vs RadeonT 660M 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 RTX 3070 vs RadeonT 660M: 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 RTX 3070
2020Why buy it
- ✅620.2% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 44.4 vs 0 G3D/$ ($499 MSRP vs Unknown MSRP).
- ✅Access to DLSS 2 Super Resolution (2020).
- ✅300% more VRAM for high-resolution textures and newer games (8 GB vs 2 GB).
- ✅Better long-term bet: Ampere (2020−2025) on 8nm gives it a newer hardware base for upcoming games.
Trade-offs
- ❌450% higher power demand at 220W vs 40W.
RadeonT 660M
2023Why buy it
- ✅Draws 40W instead of 220W, a 180W reduction.
- ✅More future proof: RDNA 2.0 (2020−2025) on 6nm with a newer platform for upcoming games.
Trade-offs
- ❌Lower average FPS than GeForce RTX 3070 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 2 GB vs 8 GB for high-resolution textures and newer games.
- ❌No DLSS support; it relies on FSR Upscaling / FSR 4 (2025) instead.
- ❌GeForce RTX 3070 is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
- ❌Lower G3D Mark per dollar, at 0 vs 44.4 G3D/$ (Unknown MSRP vs $499 MSRP).
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?
GeForce RTX 3070 vs RadeonT 660M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GeForce RTX 3070
The GeForce RTX 3070 is manufactured by NVIDIA. It was released in September 1 2020. It features the Ampere architecture. The core clock ranges from 1500 MHz to 1725 MHz. It has 5888 shading units. The thermal design power (TDP) is 220W. Manufactured using 8 nm process technology. It features 46 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 22,172 points. Launch price was $499.
RadeonT 660M
The RadeonT 660M is manufactured by AMD. It was released in January 3 2023. It features the RDNA 2.0 architecture. The core clock ranges from 1500 MHz to 1900 MHz. It has 384 shading units. The thermal design power (TDP) is 40W. Manufactured using 6 nm process technology. It features 6 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 2,221 points.
Graphics Performance
In G3D Mark, the GeForce RTX 3070 scores 22,172 versus the RadeonT 660M's 2,221 — the GeForce RTX 3070 leads by 898.3%. The GeForce RTX 3070 is built on Ampere while the RadeonT 660M uses RDNA 2.0, both on 8 nm vs 6 nm. Shader units: 5,888 (GeForce RTX 3070) vs 384 (RadeonT 660M). Raw compute: 20.31 TFLOPS (GeForce RTX 3070) vs 1.459 TFLOPS (RadeonT 660M). Boost clocks: 1725 MHz vs 1900 MHz. Ray tracing: 46 RT cores (GeForce RTX 3070) vs 6 (RadeonT 660M) with 184 Tensor cores.
| Feature | GeForce RTX 3070 | RadeonT 660M |
|---|---|---|
| G3D Mark Score | 22,172+898% | 2,221 |
| Architecture | Ampere | RDNA 2.0 |
| Process Node | 8 nm | 6 nm |
| Shading Units | 5888+1433% | 384 |
| Compute (TFLOPS) | 20.31 TFLOPS+1292% | 1.459 TFLOPS |
| Boost Clock | 1725 MHz | 1900 MHz+10% |
| ROPs | 96+500% | 16 |
| TMUs | 184+667% | 24 |
| L1 Cache | 5.8 MB+4362% | 0.13 MB |
| L2 Cache | 4 MB+100% | 2 MB |
| Ray Tracing Cores | 46+667% | 6 |
Advanced Features (DLSS/FSR)
The GeForce RTX 3070 gets NVIDIA DLSS, which still tends to look cleaner in motion. The RadeonT 660M leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce RTX 3070 | RadeonT 660M |
|---|---|---|
| Upscaling Tech | DLSS 2 Super Resolution | FSR Upscaling / FSR 4 |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce RTX 3070 has 8 GB of VRAM, while the RadeonT 660M carries 2 GB. GeForce RTX 3070 gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 256-bit on the GeForce RTX 3070 and 64-bit on the RadeonT 660M. L2 Cache: 4 MB (GeForce RTX 3070) vs 2 MB (RadeonT 660M) — the GeForce RTX 3070 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 3070 | RadeonT 660M |
|---|---|---|
| VRAM Capacity | 8 GB+300% | 2 GB |
| Memory Type | GDDR6 | GDDR5 |
| Bus Width | 256-bit+300% | 64-bit |
| L2 Cache | 4 MB+100% | 2 MB |
Display & API Support
DirectX support: 12 Ultimate (GeForce RTX 3070) vs 12 (12_2) (RadeonT 660M). Vulkan: 1.4 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.
| Feature | GeForce RTX 3070 | RadeonT 660M |
|---|---|---|
| DirectX | 12 Ultimate | 12 (12_2) |
| Vulkan | 1.4+8% | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Hardware encoder: NVENC 7th gen (GeForce RTX 3070) vs VCN 3.0 (RadeonT 660M). Decoder: NVDEC 5th gen vs VCN 3.0. Supported codecs: H.264,H.265/HEVC,AV1,VP9 (GeForce RTX 3070) vs H.264,H.265,VP9,AV1,JPEG (RadeonT 660M).
| Feature | GeForce RTX 3070 | RadeonT 660M |
|---|---|---|
| Encoder | NVENC 7th gen | VCN 3.0 |
| Decoder | NVDEC 5th gen | VCN 3.0 |
| Codecs | H.264,H.265/HEVC,AV1,VP9 | H.264,H.265,VP9,AV1,JPEG |
Power & Dimensions
The GeForce RTX 3070 draws 220W versus the RadeonT 660M's 40W — a 138.5% difference. The RadeonT 660M is more power-efficient. Recommended PSU: 650W (GeForce RTX 3070) vs 350W (RadeonT 660M). Power connectors: 8-pin vs PCIe-powered.
| Feature | GeForce RTX 3070 | RadeonT 660M |
|---|---|---|
| TDP | 220W | 40W-82% |
| Recommended PSU | 650W | 350W-46% |
| Power Connector | 8-pin | PCIe-powered |
| Length | 242mm | — |
| Height | 112mm | — |
| Slots | 2 | — |
| Temp (Load) | 75°C | — |
| Perf/Watt | 100.8+82% | 55.5 |
Value Analysis
The newer card here is RadeonT 660M (2023 vs 2020).
| Feature | GeForce RTX 3070 | RadeonT 660M |
|---|---|---|
| MSRP | $499 | — |
| Codename | GA104 | Rembrandt+ |
| Release | September 1 2020 | January 3 2023 |
| Ranking | #63 | #565 |
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