Radeon RX 6600 LE vs 780M
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 300 | not rated |
| Place by popularity | 46 | not in top-100 |
| Architecture | RDNA 3 (2022−2023) | RDNA 2.0 (2020−2023) |
| GPU code name | Phoenix | Navi 23 |
| Market segment | Laptop | Desktop |
| Release date | 5 January 2023 (1 year ago) | 8 December 2023 (less than a year ago) |
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 768 | 1792 |
| Core clock speed | 1500 MHz | no data |
| Boost clock speed | 3000 MHz | 2495 MHz |
| Number of transistors | 25,390 million | 11,060 million |
| Manufacturing process technology | 4 nm | 7 nm |
| Power consumption (TDP) | 54 Watt (35 - 54 Watt TGP) | 132 Watt |
| Texture fill rate | 139.2 | 279.4 |
| Floating-point performance | 8.909 gflops | no data |
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 x8 |
| Length | no data | 190 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | None | 1x 8-pin |
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 | no data | GDDR6 |
| Maximum RAM amount | System Shared | 8 GB |
| Memory bus width | no data | 128 Bit |
| Memory clock speed | no data | 14 GB/s |
| Memory bandwidth | no data | 224.0 GB/s |
| Shared memory | + | - |
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 | Portable Device Dependent | 1x HDMI 2.1, 3x DisplayPort 1.4a |
| HDMI | - | + |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.7 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.3 | 1.3 |
Pros & cons summary
| Recency | 5 January 2023 | 8 December 2023 |
| Chip lithography | 4 nm | 7 nm |
| Power consumption (TDP) | 54 Watt | 132 Watt |
Radeon 780M has a 75% more advanced lithography process, and 144.4% lower power consumption.
RX 6600 LE, on the other hand, has an age advantage of 11 months.
We couldn't decide between Radeon 780M and Radeon RX 6600 LE. We've got no test results to judge.
Be aware that Radeon 780M is a notebook card while Radeon RX 6600 LE is a desktop 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.
