GeForce RTX 4090 vs Tesla K20c
Aggregate performance score
We've compared Tesla K20c with GeForce RTX 4090, including specs and performance data.
RTX 4090 outperforms K20c by a whopping 1003% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 568 | 3 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.16 | 30.89 |
| Power efficiency | 2.85 | 15.73 |
| Architecture | Kepler (2012−2018) | Ada Lovelace (2022−2024) |
| GPU code name | GK110 | AD102 |
| Market segment | Workstation | Desktop |
| Release date | 12 November 2012 (13 years ago) | 20 September 2022 (4 years ago) |
| Launch price (MSRP) | $3,199 | $1,599 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
RTX 4090 has 19206% better value for money than Tesla K20c.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Real power consumption of some graphics cards can well exceed their nominal TDP, especially if 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 | 1,290.2 |
| Floating-point processing power | 3.524 TFLOPS | 82.58 TFLOPS |
| ROPs | 40 | 176 |
| TMUs | 208 | 512 |
| Tensor Cores | no data | 512 |
| Ray Tracing Cores | no data | 128 |
| L1 Cache | 208 KB | 16 MB |
| L2 Cache | 1280 KB | 72 MB |
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 |
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 | GDDR6X |
| Maximum RAM amount | 5 GB | 24 GB |
| Memory bus width | 320 Bit | 384 Bit |
| Memory clock speed | 1300 MHz | 1313 MHz |
| Memory bandwidth | 208.0 GB/s | 1.01 TB/s |
| Shared memory | - | - |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | 1x HDMI 2.1, 3x DisplayPort 1.4a |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.8 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.1.126 | 1.4 |
| CUDA | 3.5 | 8.9 |
| DLSS | - | + |
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 | 246
+1071%
|
| 1440p | 16−18 | 184
+1050%
|
| 4K | 12−14 | 134
+1017%
|
Cost per frame, $
| 1080p | 152.33 | 6.50
+95.7%
|
| 1440p | 199.94 | 8.69
+95.7%
|
| 4K | 266.58 | 11.93
+95.5%
|
- RTX 4090 has 96% lower cost per frame in 1080p
- RTX 4090 has 96% lower cost per frame in 1440p
- RTX 4090 has 96% lower cost per frame in 4K
FPS performance in popular games
Full HD
Low
| Atomic Heart | 324 | 324 |
| Counter-Strike 2 | 351 | 351 |
| Cyberpunk 2077 | 227 | 227 |
| Resident Evil 4 Remake | 351 | 351 |
Full HD
Medium
| Atomic Heart | 265 | 265 |
| Battlefield 5 | 190−200 | 190−200 |
| Counter-Strike 2 | 340 | 340 |
| Cyberpunk 2077 | 224 | 224 |
| Far Cry 5 | 209 | 209 |
| Fortnite | 300−350 | 300−350 |
| Forza Horizon 4 | 300−350 | 300−350 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| Valorant | 650−700 | 650−700 |
Full HD
High
| Atomic Heart | 234 | 234 |
| Battlefield 5 | 190−200 | 190−200 |
| Counter-Strike 2 | 340 | 340 |
| Counter-Strike: Global Offensive | 270−280 | 270−280 |
| Cyberpunk 2077 | 215 | 215 |
| Dota 2 | 253 | 253 |
| Far Cry 5 | 201 | 201 |
| Fortnite | 300−350 | 300−350 |
| Forza Horizon 4 | 300−350 | 300−350 |
| Grand Theft Auto V | 174 | 174 |
| Metro Exodus | 230 | 230 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| The Witcher 3: Wild Hunt | 578 | 578 |
| Valorant | 650−700 | 650−700 |
Full HD
Ultra
| Battlefield 5 | 190−200 | 190−200 |
| Cyberpunk 2077 | 211 | 211 |
| Dota 2 | 224 | 224 |
| Far Cry 5 | 187 | 187 |
| Forza Horizon 4 | 300−350 | 300−350 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| The Witcher 3: Wild Hunt | 305 | 305 |
| Valorant | 680 | 680 |
Full HD
Epic
| Fortnite | 300−350 | 300−350 |
1440p
High
| Counter-Strike 2 | 312 | 312 |
| Counter-Strike: Global Offensive | 500−550 | 500−550 |
| Grand Theft Auto V | 162 | 162 |
| Metro Exodus | 180 | 180 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 170−180 | 170−180 |
| Valorant | 450−500 | 450−500 |
1440p
Ultra
| Battlefield 5 | 190−200 | 190−200 |
| Cyberpunk 2077 | 159 | 159 |
| Far Cry 5 | 187 | 187 |
| Forza Horizon 4 | 300−350 | 300−350 |
| The Witcher 3: Wild Hunt | 262 | 262 |
1440p
Epic
| Fortnite | 150−160 | 150−160 |
4K
High
| Atomic Heart | 102 | 102 |
| Counter-Strike 2 | 166 | 166 |
| Grand Theft Auto V | 187 | 187 |
| Metro Exodus | 137 | 137 |
| The Witcher 3: Wild Hunt | 281 | 281 |
| Valorant | 300−350 | 300−350 |
4K
Ultra
| Battlefield 5 | 130−140 | 130−140 |
| Counter-Strike 2 | 140−150 | 140−150 |
| Cyberpunk 2077 | 81 | 81 |
| Dota 2 | 227 | 227 |
| Far Cry 5 | 170 | 170 |
| Forza Horizon 4 | 300−350 | 300−350 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 95−100 | 95−100 |
4K
Epic
| Fortnite | 75−80 | 75−80 |
This is how Tesla K20c and RTX 4090 compete in popular games:
- RTX 4090 is 1071% faster in 1080p
- RTX 4090 is 1050% faster in 1440p
- RTX 4090 is 1017% faster in 4K
All in all, in popular games:
- there's a draw in 62 tests (100%)
Pros & cons summary
| Performance score | 8.26 | 91.11 |
| Recency | 12 November 2012 | 20 September 2022 |
| Maximum RAM amount | 5 GB | 24 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 225 Watt | 450 Watt |
Tesla K20c has 50% lower power consumption.
RTX 4090, on the other hand, has a 1003% higher aggregate performance score, an age advantage of 9 years, a 380% higher maximum VRAM amount, and a 82% more advanced lithography process.
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.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
