GeForce RTX 4090 vs Tesla K20c
Aggregated performance score
GeForce RTX 4090 outperforms Tesla K20c by 1024% based on our aggregated benchmark results.
Primary Details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 454 | 1 |
| Place by popularity | not in top-100 | 2 |
| Cost-Effectiveness Evaluation | 1.44 | 15.05 |
| Architecture | Kepler (2012−2018) | Ada Lovelace |
| GPU code name | GK110 | AD102-300-A1 |
| Market segment | Workstation | Desktop |
| Release date | 12 November 2012 (11 years ago) | 20 September 2022 (1 year ago) |
| Launch price (MSRP) | $3,199 | $1,599 |
| Current price | $591 (0.2x MSRP) | $1756 (1.1x MSRP) |
Cost-Effectiveness Evaluation
Performance to price ratio. The higher, the better.
RTX 4090 has 945% better value for money than Tesla K20c.
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 | 2496 | 16384 |
| Core clock speed | 706 MHz | 2235 MHz |
| Boost clock speed | no data | 2520 MHz |
| Number of transistors | 7,080 million | 76,300 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 225 Watt | 450 Watt |
| Texture fill rate | 146.8 | 1,290 |
| Floating-point performance | 3,524 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 2.0 x16 | PCIe 4.0 x16 |
| Length | 267 mm | 304 mm |
| Width | 2-slot | 3-slot |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | 1x 16-pin |
| Memory type | GDDR5 | GDDR6X |
| Maximum RAM amount | 5 GB | 24 GB |
| Memory bus width | 320 Bit | 384 Bit |
| Memory clock speed | 5200 MHz | 21000 MHz |
| Memory bandwidth | 208.0 GB/s | 1,008 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 | No outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a |
| HDMI | no data | + |
API Compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.6 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.5 | 8.9 |
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| Full HD | 21−24
−1162%
| 265
+1162%
|
| 1440p | 18−20
−1078%
| 212
+1078%
|
| 4K | 12−14
−1150%
| 150
+1150%
|
Pros & Cons Summary
| Performance score | 8.90 | 100.00 |
| Recency | 12 November 2012 | 20 September 2022 |
| Cost | $3199 | $1599 |
| Maximum RAM amount | 5 GB | 24 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 225 Watt | 450 Watt |
The GeForce RTX 4090 is our recommended choice as it beats the Tesla K20c in performance tests.
Be aware that Tesla K20c is a workstation graphics card while GeForce RTX 4090 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.
