RTX A1000 Mobile vs Radeon R9 270 1024SP
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 221 |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 1.0 (2012−2020) | Ampere (2020−2022) |
| GPU code name | Pitcairn | GA107 |
| Market segment | Desktop | Laptop |
| Release date | 13 March 2015 (9 years ago) | 30 March 2022 (2 years ago) |
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 | 1024 | 2048 |
| Core clock speed | 900 MHz | no data |
| Boost clock speed | 925 MHz | 1140 MHz |
| Number of transistors | 2,800 million | no data |
| Manufacturing process technology | 28 nm | 8 nm |
| Power consumption (TDP) | 150 Watt | 95 Watt (35 - 95 Watt TGP) |
| Texture fill rate | 59.20 | 72.96 |
| Floating-point performance | 1,894 gflops | no data |
Form factor & compatibility
Information on Radeon R9 270 1024SP and RTX A1000 Mobile compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | no data | medium sized |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Width | 2-slot | no data |
| Supplementary power connectors | 1x 6-pin | no data |
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 | 4 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | 4800 MHz | 14000 MHz |
| Memory bandwidth | 153.6 GB/s | 176.0 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 | 2x DVI, 1x HDMI, 1x DisplayPort | Portable Device Dependent |
| HDMI | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2.131 | 1.3 |
| CUDA | no data | 8.6 |
Pros & cons summary
| Recency | 13 March 2015 | 30 March 2022 |
| Maximum RAM amount | 2 GB | 4 GB |
| Chip lithography | 28 nm | 8 nm |
| Power consumption (TDP) | 150 Watt | 95 Watt |
We couldn't decide between Radeon R9 270 1024SP and RTX A1000 Mobile. We've got no test results to judge.
Be aware that Radeon R9 270 1024SP is a desktop card while RTX A1000 Mobile is a notebook one.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
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