GeForce RTX 3080 Mobile vs GTX 680 Mac Edition
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 95 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 25.62 |
| Architecture | Kepler (2012−2018) | Ampere (2020−2024) |
| GPU code name | GK104 | GA104 |
| Market segment | Desktop | Laptop |
| Release date | 3 April 2013 (11 years ago) | 12 January 2021 (4 years ago) |
| Launch price (MSRP) | $599 | no data |
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 | 1536 | 6144 |
| Core clock speed | 1006 MHz | 1110 MHz |
| Boost clock speed | 1058 MHz | 1545 MHz |
| Number of transistors | 3,540 million | 17,400 million |
| Manufacturing process technology | 28 nm | 8 nm |
| Power consumption (TDP) | 195 Watt | 115 Watt |
| Texture fill rate | 135.4 | 296.6 |
| Floating-point processing power | 3.25 TFLOPS | 18.98 TFLOPS |
| ROPs | 32 | 96 |
| TMUs | 128 | 192 |
| Tensor Cores | no data | 192 |
| Ray Tracing Cores | no data | 48 |
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).
| Laptop size | no data | large |
| Interface | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Length | 254 mm | no data |
| Width | 2-slot | no data |
| Supplementary power connectors | 2x 6-pin | no data |
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 | GDDR5 | GDDR6 |
| Maximum RAM amount | 2 GB | 8 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1502 MHz | 1750 MHz |
| Memory bandwidth | 192.3 GB/s | 448.0 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 | 2x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| HDMI | + | - |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2 |
| CUDA | 3.0 | 8.6 |
| DLSS | - | + |
Pros & cons summary
| Recency | 3 April 2013 | 12 January 2021 |
| Maximum RAM amount | 2 GB | 8 GB |
| Chip lithography | 28 nm | 8 nm |
| Power consumption (TDP) | 195 Watt | 115 Watt |
RTX 3080 Mobile has an age advantage of 7 years, a 300% higher maximum VRAM amount, a 250% more advanced lithography process, and 69.6% lower power consumption.
We couldn't decide between GeForce GTX 680 Mac Edition and GeForce RTX 3080 Mobile. We've got no test results to judge.
Be aware that GeForce GTX 680 Mac Edition is a desktop card while GeForce RTX 3080 Mobile is a notebook one.
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