GeForce RTX 4070
Radeon RX 6600M
GeForce RTX 4070 vs Radeon RX 6600M 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 4070 vs Radeon RX 6600M 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 4070 vs Radeon RX 6600M: 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 4070
2023Why buy it
- ✅50.1% more average FPS across 50 tracked games in our benchmark data.
- ✅Delivers 100+% more G3D Mark for each dollar spent, at 44.9 vs 0 G3D/$ ($599 MSRP vs Unknown MSRP).
- ✅50% more VRAM for high-resolution textures and newer games (12 GB vs 8 GB).
- ✅Better long-term bet: Ada Lovelace (2022−2024) on 5nm gives it a newer hardware base for upcoming games.
Trade-offs
- ❌100% higher power demand at 200W vs 100W.
Radeon RX 6600M
2021Why buy it
- ✅Draws 100W instead of 200W, a 100W reduction.
Trade-offs
- ❌Lower average FPS than GeForce RTX 4070 across 50 tracked games in our benchmark data.
- ❌Less VRAM, with 8 GB vs 12 GB for high-resolution textures and newer games.
- ❌GeForce RTX 4070 is the safer long-term pick here because the hardware is newer and the feature stack is stronger.
- ❌Lower G3D Mark per dollar, at 0 vs 44.9 G3D/$ (Unknown MSRP vs $599 MSRP).
Quick Answers
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GeForce RTX 4070 vs Radeon RX 6600M Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
GeForce RTX 4070
The GeForce RTX 4070 is manufactured by NVIDIA. It was released in April 12 2023. It features the Ada Lovelace architecture. The core clock ranges from 1920 MHz to 2475 MHz. It has 5888 shading units. The thermal design power (TDP) is 200W. Manufactured using 5 nm process technology. It features 46 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 26,919 points. Launch price was $599.
Radeon RX 6600M
The Radeon RX 6600M is manufactured by AMD. It was released in May 31 2021. It features the RDNA 2.0 architecture. The core clock ranges from 2068 MHz to 2416 MHz. It has 1792 shading units. The thermal design power (TDP) is 100W. Manufactured using 7 nm process technology. It features 28 dedicated ray tracing cores for enhanced lighting effects. G3D Mark benchmark score: 13,922 points.
Graphics Performance
In G3D Mark, the GeForce RTX 4070 scores 26,919 versus the Radeon RX 6600M's 13,922 — the GeForce RTX 4070 leads by 93.4%. The GeForce RTX 4070 is built on Ada Lovelace while the Radeon RX 6600M uses RDNA 2.0, both on 5 nm vs 7 nm. Shader units: 5,888 (GeForce RTX 4070) vs 1,792 (Radeon RX 6600M). Raw compute: 29.15 TFLOPS (GeForce RTX 4070) vs 8.659 TFLOPS (Radeon RX 6600M). Boost clocks: 2475 MHz vs 2416 MHz. Ray tracing: 46 RT cores (GeForce RTX 4070) vs 28 (Radeon RX 6600M) with 184 Tensor cores.
| Feature | GeForce RTX 4070 | Radeon RX 6600M |
|---|---|---|
| G3D Mark Score | 26,919+93% | 13,922 |
| Architecture | Ada Lovelace | RDNA 2.0 |
| Process Node | 5 nm | 7 nm |
| Shading Units | 5888+229% | 1792 |
| Compute (TFLOPS) | 29.15 TFLOPS+237% | 8.659 TFLOPS |
| Boost Clock | 2475 MHz+2% | 2416 MHz |
| ROPs | 64 | 64 |
| TMUs | 184+64% | 112 |
| L1 Cache | 5.8 MB+1060% | 0.5 MB |
| L2 Cache | 36 MB+1700% | 2 MB |
| Ray Tracing Cores | 46+64% | 28 |
Advanced Features (DLSS/FSR)
Both GPUs support Frame Generation, but they get there through different ecosystems. The GeForce RTX 4070 uses DLSS 3.5 + Frame Generation, while the Radeon RX 6600M relies on FSR Frame Generation + AFMF. Both can help smooth out supported games, but they are not on the same feature stack.The GeForce RTX 4070 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX 6600M leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.
| Feature | GeForce RTX 4070 | Radeon RX 6600M |
|---|---|---|
| Upscaling Tech | DLSS 3.5 Super Resolution | FSR 3 |
| Frame Generation | DLSS 3.5 + Frame Generation | FSR Frame Generation + AFMF |
| Ray Reconstruction | Yes (DLSS 3.5) | No |
| Low Latency | NVIDIA Reflex | AMD Anti-Lag |
Video Memory (VRAM)
The GeForce RTX 4070 has 12 GB of VRAM, while the Radeon RX 6600M carries 8 GB. GeForce RTX 4070 gives you 50% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 504 GB/s (GeForce RTX 4070) vs 224 GB/s (Radeon RX 6600M) — a 125% advantage for the GeForce RTX 4070. Memory bus width is 192-bit on the GeForce RTX 4070 and 128-bit on the Radeon RX 6600M. L2 Cache: 36 MB (GeForce RTX 4070) vs 2 MB (Radeon RX 6600M) — the GeForce RTX 4070 has significantly larger on-die cache to reduce VRAM reliance.
| Feature | GeForce RTX 4070 | Radeon RX 6600M |
|---|---|---|
| VRAM Capacity | 12 GB+50% | 8 GB |
| Memory Type | GDDR6X | GDDR6 |
| Memory Bandwidth | 504 GB/s+125% | 224 GB/s |
| Bus Width | 192-bit+50% | 128-bit |
| L2 Cache | 36 MB+1700% | 2 MB |
Display & API Support
DirectX support: 12.2 (GeForce RTX 4070) vs 12 (FL 12_2) (Radeon RX 6600M). Vulkan: 1.3 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.
| Feature | GeForce RTX 4070 | Radeon RX 6600M |
|---|---|---|
| DirectX | 12.2+2% | 12 (FL 12_2) |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Max Displays | 4 | 4 |
Media & Encoding
Hardware encoder: 8th Gen NVENC (2x) (GeForce RTX 4070) vs VCN 3.0 (Radeon RX 6600M). Decoder: 5th Gen NVDEC vs VCN 3.0. Supported codecs: MPEG-2,H.264,HEVC,VP9,AV1 (GeForce RTX 4070) vs H.264,HEVC,VP9,AV1 (Radeon RX 6600M).
| Feature | GeForce RTX 4070 | Radeon RX 6600M |
|---|---|---|
| Encoder | 8th Gen NVENC (2x) | VCN 3.0 |
| Decoder | 5th Gen NVDEC | VCN 3.0 |
| Codecs | MPEG-2,H.264,HEVC,VP9,AV1 | H.264,HEVC,VP9,AV1 |
Power & Dimensions
The GeForce RTX 4070 draws 200W versus the Radeon RX 6600M's 100W — a 66.7% difference. The Radeon RX 6600M is more power-efficient. Recommended PSU: 650W (GeForce RTX 4070) vs 500W (Radeon RX 6600M). Power connectors: 8-pin vs Mobile.
| Feature | GeForce RTX 4070 | Radeon RX 6600M |
|---|---|---|
| TDP | 200W | 100W-50% |
| Recommended PSU | 650W | 500W-23% |
| Power Connector | 8-pin | Mobile |
| Length | 304mm | — |
| Height | 137mm | — |
| Slots | 3 | 0-100% |
| Temp (Load) | 80°C | — |
| Perf/Watt | 134.6 | 139.2+3% |
Value Analysis
The newer card here is GeForce RTX 4070 (2023 vs 2021).
| Feature | GeForce RTX 4070 | Radeon RX 6600M |
|---|---|---|
| MSRP | $599 | — |
| Codename | AD104 | Navi 23 |
| Release | April 12 2023 | May 31 2021 |
| Ranking | #32 | #173 |
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