GeForce RTX 4090 Ti vs Iris Plus Graphics 640
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
Place in performance ranking | 700 | not rated |
Place by popularity | not in top-100 | 62 |
Architecture | Gen. 9.5 Kaby Lake (2015−2017) | Ada Lovelace (2022−2024) |
GPU code name | Kaby Lake GT3e | AD102 |
Market segment | Laptop | Desktop |
Release date | 3 January 2017 (7 years ago) | 2023 (1 year 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 | 48 | 18176 |
Core clock speed | 300 MHz | no data |
Boost clock speed | 1050 MHz | 2565 MHz |
Number of transistors | 189 million | 76,300 million |
Manufacturing process technology | 14 nm | 5 nm |
Power consumption (TDP) | 15 Watt | 600 Watt |
Texture fill rate | 52.80 | 1,457 |
Floating-point performance | 0.8448 gflops | 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 3.0 x1 | PCIe 4.0 x16 |
Length | no data | 336 mm |
Width | no data | 3-slot |
Supplementary power connectors | no data | 2x 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 | DDR3L/LPDDR3/DDR4 | GDDR6X |
Maximum RAM amount | 32 GB | 24 GB |
Memory bus width | 64/128 Bit | 384 Bit |
Memory clock speed | no data | 24 GB/s |
Memory bandwidth | no data | 1.15 TB/s |
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 outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a |
HDMI | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
Quick Sync | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
DirectX | 12 (12_1) | 12 Ultimate (12_2) |
Shader Model | 6.4 | 6.7 |
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.1.103 | 1.3 |
CUDA | - | 8.9 |
Pros & cons summary
Maximum RAM amount | 32 GB | 24 GB |
Chip lithography | 14 nm | 5 nm |
Power consumption (TDP) | 15 Watt | 600 Watt |
Iris Plus Graphics 640 has a 33.3% higher maximum VRAM amount, and 3900% lower power consumption.
RTX 4090 Ti, on the other hand, has a 180% more advanced lithography process.
We couldn't decide between Iris Plus Graphics 640 and GeForce RTX 4090 Ti. We've got no test results to judge.
Be aware that Iris Plus Graphics 640 is a notebook card while GeForce RTX 4090 Ti is a desktop 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
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.