GeForce RTX 4080 Max-Q vs Radeon RX 6650 XT
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 78 | not rated |
| Place by popularity | 98 | not in top-100 |
| Cost-effectiveness evaluation | 62.47 | no data |
| Power efficiency | 17.67 | no data |
| Architecture | RDNA 2.0 (2020−2024) | Ada Lovelace (2022−2024) |
| GPU code name | Navi 23 | AD104 |
| Market segment | Desktop | Laptop |
| Release date | 10 May 2022 (2 years ago) | 3 January 2023 (1 year ago) |
| Launch price (MSRP) | $399 | no data |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 2048 | 7424 |
| Core clock speed | 2055 MHz | 795 MHz |
| Boost clock speed | 2635 MHz | 1350 MHz |
| Number of transistors | 11,060 million | 35,800 million |
| Manufacturing process technology | 7 nm | 4 nm |
| Power consumption (TDP) | 176 Watt | 60 Watt |
| Texture fill rate | 337.3 | 313.2 |
| Floating-point processing power | 10.79 TFLOPS | 20.04 TFLOPS |
| ROPs | 64 | 80 |
| TMUs | 128 | 232 |
| Tensor Cores | no data | 232 |
| Ray Tracing Cores | 32 | 58 |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 8-pin | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR6 | GDDR6 |
| Maximum RAM amount | 8 GB | 12 GB |
| Memory bus width | 128 Bit | 192 Bit |
| Memory clock speed | 2190 MHz | 1750 MHz |
| Memory bandwidth | 280.3 GB/s | 336.0 GB/s |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 1x HDMI 2.1, 3x DisplayPort 1.4a | Portable Device Dependent |
| HDMI | + | - |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.5 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.3 | 1.3 |
| CUDA | - | 8.9 |
Pros & cons summary
| Recency | 10 May 2022 | 3 January 2023 |
| Maximum RAM amount | 8 GB | 12 GB |
| Chip lithography | 7 nm | 4 nm |
| Power consumption (TDP) | 176 Watt | 60 Watt |
RTX 4080 Max-Q has an age advantage of 7 months, a 50% higher maximum VRAM amount, a 75% more advanced lithography process, and 193.3% lower power consumption.
We couldn't decide between Radeon RX 6650 XT and GeForce RTX 4080 Max-Q. We've got no test results to judge.
Be aware that Radeon RX 6650 XT is a desktop card while GeForce RTX 4080 Max-Q is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
