UHD Graphics vs GeForce GT 640 OEM
Aggregate performance score
We've compared GeForce GT 640 OEM and UHD Graphics, covering specs and all relevant benchmarks.
UHD Graphics outperforms GT 640 OEM by a whopping 228% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 927 | 598 |
| Place by popularity | not in top-100 | 7 |
| Power efficiency | 2.35 | 38.57 |
| Architecture | Kepler (2012−2018) | Generation 11.0 (2019−2021) |
| GPU code name | GK107 | Jasper Lake GT1 |
| Market segment | Desktop | Desktop |
| Release date | 24 April 2012 (12 years ago) | 11 January 2021 (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 | 384 | 256 |
| Core clock speed | 797 MHz | 350 MHz |
| Boost clock speed | no data | 750 MHz |
| Number of transistors | 1,270 million | no data |
| Manufacturing process technology | 28 nm | 10 nm+ |
| Power consumption (TDP) | 50 Watt | 10 Watt |
| Texture fill rate | 25.50 | 12.00 |
| Floating-point processing power | 0.6121 TFLOPS | 0.384 TFLOPS |
| ROPs | 16 | 8 |
| TMUs | 32 | 16 |
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 | Ring Bus |
| Length | 145 mm | no data |
| Width | 1-slot | IGP |
| Supplementary power connectors | None | 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 | DDR3 | System Shared |
| Maximum RAM amount | 2 GB | System Shared |
| Memory bus width | 128 Bit | System Shared |
| Memory clock speed | 891 MHz | System Shared |
| Memory bandwidth | 28.51 GB/s | 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 | + | - |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (12_1) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.1.126 | 1.2 |
| CUDA | 3.0 | - |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Pros & cons summary
| Performance score | 1.70 | 5.57 |
| Recency | 24 April 2012 | 11 January 2021 |
| Chip lithography | 28 nm | 10 nm |
| Power consumption (TDP) | 50 Watt | 10 Watt |
UHD Graphics has a 227.6% higher aggregate performance score, an age advantage of 8 years, a 180% more advanced lithography process, and 400% lower power consumption.
The UHD Graphics is our recommended choice as it beats the GeForce GT 640 OEM in performance tests.
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.
