A40 PCIe vs Radeon RX 7800M
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 130 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 16.46 | no data |
| Architecture | RDNA 3.0 (2022−2026) | Ampere (2020−2025) |
| GPU code name | Navi 32 | GA102 |
| Market segment | Laptop | Workstation |
| Release date | 11 September 2024 (1 year ago) | 5 October 2020 (5 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 | 3840 | 10752 |
| Core clock speed | 1295 MHz | 1305 MHz |
| Boost clock speed | 2335 MHz | 1755 MHz |
| Number of transistors | 28,100 million | 28,300 million |
| Manufacturing process technology | 5 nm | 8 nm |
| Power consumption (TDP) | 180 Watt | 300 Watt |
| Texture fill rate | 560.4 | 589.7 |
| Floating-point processing power | 35.87 TFLOPS | 37.74 TFLOPS |
| ROPs | 96 | 112 |
| TMUs | 240 | 336 |
| Tensor Cores | no data | 336 |
| Ray Tracing Cores | 60 | 84 |
| L0 Cache | 960 KB | no data |
| L1 Cache | 768 KB | 10.5 MB |
| L2 Cache | 4 MB | 6 MB |
| L3 Cache | 48 MB | 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 x16 | PCIe 4.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | None | 8-pin EPS |
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 | 12 GB | 48 GB |
| Memory bus width | 192 Bit | 384 Bit |
| Memory clock speed | 2250 MHz | 1812 MHz |
| Memory bandwidth | 432.0 GB/s | 695.8 GB/s |
| 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 | Portable Device Dependent | 3x DisplayPort |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| Shader Model | 6.8 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 2.0 |
| Vulkan | 1.3 | 1.2 |
| CUDA | - | 8.6 |
| DLSS | - | + |
Pros & cons summary
| Recency | 11 September 2024 | 5 October 2020 |
| Maximum RAM amount | 12 GB | 48 GB |
| Chip lithography | 5 nm | 8 nm |
| Power consumption (TDP) | 180 Watt | 300 Watt |
RX 7800M has an age advantage of 3 years, a 60% more advanced lithography process, and 66.7% lower power consumption.
A40 PCIe, on the other hand, has a 300% higher maximum VRAM amount.
We couldn't decide between Radeon RX 7800M and A40 PCIe. We've got no test results to judge.
Be aware that Radeon RX 7800M is a notebook graphics card while A40 PCIe is a workstation one.
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