GeForce RTX 4090 Max-Q vs Radeon R9 M395X
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 436 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 12.48 | no data |
| Architecture | GCN 3.0 (2014−2019) | Ada Lovelace (2022−2024) |
| GPU code name | Amethyst | AD103 |
| Market segment | Laptop | Laptop |
| Release date | 5 May 2015 (10 years ago) | 3 January 2023 (2 years ago) |
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 | 9728 |
| Core clock speed | 723 MHz | 930 MHz |
| Boost clock speed | no data | 1455 MHz |
| Number of transistors | 5,000 million | 45,900 million |
| Manufacturing process technology | 28 nm | 4 nm |
| Power consumption (TDP) | 250 Watt | 80 Watt |
| Texture fill rate | 92.54 | 442.3 |
| Floating-point processing power | 2.961 TFLOPS | 28.31 TFLOPS |
| ROPs | 32 | 112 |
| TMUs | 128 | 304 |
| Tensor Cores | no data | 304 |
| Ray Tracing Cores | no data | 76 |
| L1 Cache | 512 KB | 9.5 MB |
| L2 Cache | 512 KB | 64 MB |
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 | large | no data |
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Supplementary power connectors | None | 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 | GDDR5 | GDDR6 |
| Maximum RAM amount | 4 GB | 16 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 1250 MHz | 1750 MHz |
| Memory bandwidth | 160.0 GB/s | 448.0 GB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | Portable Device Dependent |
| Eyefinity | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| FreeSync | + | - |
| HD3D | + | - |
| PowerTune | + | - |
| DualGraphics | + | - |
| TrueAudio | + | - |
| ZeroCore | + | - |
| Switchable graphics | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 12 | 12 Ultimate (12_2) |
| Shader Model | 6.3 | 6.7 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | Not Listed | 3.0 |
| Vulkan | - | 1.3 |
| Mantle | + | - |
| CUDA | - | 8.9 |
| DLSS | - | + |
Pros & cons summary
| Recency | 5 May 2015 | 3 January 2023 |
| Maximum RAM amount | 4 GB | 16 GB |
| Chip lithography | 28 nm | 4 nm |
| Power consumption (TDP) | 250 Watt | 80 Watt |
RTX 4090 Max-Q has an age advantage of 7 years, a 300% higher maximum VRAM amount, a 600% more advanced lithography process, and 212.5% lower power consumption.
We couldn't decide between Radeon R9 M395X and GeForce RTX 4090 Max-Q. We've got no test results to judge.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
