L40G vs Radeon R7 M340
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1005 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 3.0 (2014−2019) | Ada Lovelace (2022−2024) |
| GPU code name | Meso | AD102 |
| Market segment | Laptop | Workstation |
| Release date | 5 May 2015 (10 years ago) | 13 October 2022 (3 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 | 320 | 18176 |
| Compute units | 6 | no data |
| Core clock speed | 943 MHz | 1005 MHz |
| Boost clock speed | 1021 MHz | 2475 MHz |
| Number of transistors | 1,550 million | 76,300 million |
| Manufacturing process technology | 28 nm | 4 nm |
| Power consumption (TDP) | no data | 300 Watt |
| Texture fill rate | 20.42 | 1,406 |
| Floating-point processing power | 0.6534 TFLOPS | 89.97 TFLOPS |
| ROPs | 8 | 192 |
| TMUs | 20 | 568 |
| Tensor Cores | no data | 568 |
| Ray Tracing Cores | no data | 142 |
| L1 Cache | 80 KB | 17.8 MB |
| L2 Cache | 128 KB | 48 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).
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x8 | PCIe 4.0 x16 |
| Length | no data | 267 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | None | 1x 16-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 | DDR3 | GDDR6 |
| Maximum RAM amount | 4 GB | 24 GB |
| Memory bus width | 128 Bit | 384 Bit |
| Memory clock speed | 1000 MHz | 2250 MHz |
| Memory bandwidth | 16 GB/s | 864.0 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 | 1x HDMI 2.1, 3x DisplayPort 1.4a |
| Eyefinity | + | - |
| HDMI | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| FreeSync | + | - |
| HD3D | + | - |
| PowerTune | + | - |
| DualGraphics | + | - |
| 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 | 6.0 | 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 | 13 October 2022 |
| Maximum RAM amount | 4 GB | 24 GB |
| Chip lithography | 28 nm | 4 nm |
L40G has an age advantage of 7 years, a 500% higher maximum VRAM amount, and a 600% more advanced lithography process.
We couldn't decide between Radeon R7 M340 and L40G. We've got no test results to judge.
Be aware that Radeon R7 M340 is a notebook graphics card while L40G is a workstation one.
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