Radeon 740M vs ATI Mobility X1800XT
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 503 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 38.71 |
| Architecture | no data | RDNA 3.0 (2022−2024) |
| GPU code name | M58, R520 | Phoenix |
| Market segment | Laptop | Laptop |
| Release date | 1 March 2006 (18 years ago) | 4 January 2023 (1 year 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 | 24 | 256 |
| Core clock speed | 8 MHz | 800 MHz |
| Boost clock speed | 550 MHz | 2500 MHz |
| Number of transistors | no data | 25,390 million |
| Manufacturing process technology | 90 nm | 4 nm |
| Power consumption (TDP) | no data | 15 Watt |
| Texture fill rate | no data | 40.00 |
| Floating-point processing power | no data | 2.56 TFLOPS |
| ROPs | no data | 8 |
| TMUs | no data | 16 |
| Ray Tracing Cores | no data | 4 |
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 |
| Interface | no data | PCIe 4.0 x8 |
| Supplementary power connectors | no data | 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 | GDDR3 | System Shared |
| Maximum RAM amount | no data | System Shared |
| Memory bus width | 256 Bit | System Shared |
| Memory clock speed | 650 MHz | System Shared |
| 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 | no data | Portable Device Dependent |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | GDDR3 | 12 Ultimate (12_2) |
| Shader Model | no data | 6.7 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.1 |
| Vulkan | - | 1.3 |
Pros & cons summary
| Recency | 1 March 2006 | 4 January 2023 |
| Chip lithography | 90 nm | 4 nm |
Radeon 740M has an age advantage of 16 years, and a 2150% more advanced lithography process.
We couldn't decide between Mobility Radeon X1800XT and Radeon 740M. 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.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
