Radeon Instinct MI25 vs GeForce GTX 1660 Ti
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 150 | not rated |
| Place by popularity | 34 | not in top-100 |
| Cost-effectiveness evaluation | 25.84 | no data |
| Architecture | Turing (2018−2021) | GCN 5.0 (2017−2020) |
| GPU code name | Turing TU116 | Vega 10 |
| Market segment | Desktop | Desktop |
| Release date | 22 February 2019 (5 years ago) | 27 June 2017 (6 years ago) |
| Launch price (MSRP) | $279 | no data |
| Current price | $284 (1x MSRP) | $4374 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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 | 1536 | 4096 |
| Core clock speed | 1500 MHz | 1400 MHz |
| Boost clock speed | 1770 MHz | 1500 MHz |
| Number of transistors | 6,600 million | 12,500 million |
| Manufacturing process technology | 12 nm | 14 nm |
| Power consumption (TDP) | 120 Watt | 300 Watt |
| Texture fill rate | 169.9 | 384.0 |
| Floating-point performance | no data | 12,288 gflops |
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 3.0 x16 | PCIe 3.0 x16 |
| Length | 229 mm | 267 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 1x 8-pin | 2x 8-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 | GDDR6 | HBM2 |
| Maximum RAM amount | 6 GB | 16 GB |
| Memory bus width | 192 Bit | 2048 Bit |
| Memory clock speed | 12000 MHz | 1704 MHz |
| Memory bandwidth | 288.0 GB/s | 436.2 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 | 1x DVI, 1x HDMI, 1x DisplayPort | No outputs |
| HDMI | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 (12_1) |
| Shader Model | 6.5 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.2.131 | 1.1.125 |
| CUDA | 7.5 | no data |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Benchmark coverage: 25%
GeForce GTX 1660 Ti outperforms Radeon Instinct MI25 by 160% in Passmark.
GeekBench 5 OpenCL
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.
Benchmark coverage: 9%
Radeon Instinct MI25 outperforms GeForce GTX 1660 Ti by 15% in GeekBench 5 OpenCL.
GeekBench 5 Vulkan
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.
Benchmark coverage: 5%
Radeon Instinct MI25 outperforms GeForce GTX 1660 Ti by 20% in GeekBench 5 Vulkan.
Pros & cons summary
| Recency | 22 February 2019 | 27 June 2017 |
| Maximum RAM amount | 6 GB | 16 GB |
| Chip lithography | 12 nm | 14 nm |
| Power consumption (TDP) | 120 Watt | 300 Watt |
We couldn't decide between GeForce GTX 1660 Ti and Radeon Instinct MI25. 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
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