Radeon RX 7900 XT vs GeForce GTX 680MX Mac Edition
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 12 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 25.45 |
| Architecture | Kepler (2012−2018) | RDNA 3 |
| GPU code name | GK104 | Navi 31 XT |
| Market segment | Desktop | Desktop |
| Release date | 23 October 2012 (11 years ago) | 3 November 2022 (1 year ago) |
| Launch price (MSRP) | no data | $899 |
| Current price | no data | $884 (1x MSRP) |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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 | 1536 | 5376 |
| Core clock speed | 719 MHz | no data |
| Boost clock speed | no data | 2000 MHz |
| Number of transistors | 3,540 million | 57,700 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 122 Watt | 315 Watt |
| Texture fill rate | 92.03 | 804.4 |
| Floating-point performance | 2,209 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 3.0 x16 | PCIe 4.0 x16 |
| Length | no data | 276 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 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 | GDDR5 | GDDR6 |
| Maximum RAM amount | 2 GB | 20 GB |
| Memory bus width | 256 Bit | 320 Bit |
| Memory clock speed | 5000 MHz | 20000 MHz |
| Memory bandwidth | 160.0 GB/s | 800.0 GB/s |
| Shared memory | no data | - |
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 | No outputs | 1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C |
| HDMI | no data | + |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.0 | no data |
Pros & cons summary
| Recency | 23 October 2012 | 3 November 2022 |
| Maximum RAM amount | 2 GB | 20 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 122 Watt | 315 Watt |
We couldn't decide between GeForce GTX 680MX Mac Edition and Radeon RX 7900 XT. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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