Radeon Pro W6800X vs Tesla K20c
Aggregate performance score
We've compared Tesla K20c and Radeon Pro W6800X, covering specs and all relevant benchmarks.
Pro W6800X outperforms K20c by a whopping 382% 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 | 556 | 121 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.16 | 7.02 |
| Power efficiency | 2.82 | 15.30 |
| Architecture | Kepler (2012−2018) | RDNA 2.0 (2020−2025) |
| GPU code name | GK110 | Navi 21 |
| Market segment | Workstation | Workstation |
| Release date | 12 November 2012 (13 years ago) | 3 August 2021 (4 years ago) |
| Launch price (MSRP) | $3,199 | $2,799 |
Cost-effectiveness evaluation
The higher the ratio, the better. We use the manufacturer's recommended prices.
Pro W6800X has 4288% better value for money than Tesla K20c.
Performance to price scatter graph
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 | 2496 | 3840 |
| Core clock speed | 706 MHz | 1800 MHz |
| Boost clock speed | no data | 2087 MHz |
| Number of transistors | 7,080 million | 26,800 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | 225 Watt | 200 Watt |
| Texture fill rate | 146.8 | 500.9 |
| Floating-point processing power | 3.524 TFLOPS | 16.03 TFLOPS |
| ROPs | 40 | 96 |
| TMUs | 208 | 240 |
| Ray Tracing Cores | no data | 60 |
| L0 Cache | no data | 960 KB |
| L1 Cache | 208 KB | 768 KB |
| L2 Cache | 1280 KB | 4 MB |
| L3 Cache | no data | 128 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 | Apple MPX |
| Length | 267 mm | 267 mm |
| Width | 2-slot | Quad-slot |
| Supplementary power connectors | 1x 6-pin + 1x 8-pin | Apple MPX |
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 | GDDR6 |
| Maximum RAM amount | 5 GB | 32 GB |
| Memory bus width | 320 Bit | 256 Bit |
| Memory clock speed | 1300 MHz | 2000 MHz |
| Memory bandwidth | 208.0 GB/s | 512.0 GB/s |
| 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, 4x Thunderbolt |
| 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 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.1.126 | 1.3 |
| CUDA | 3.5 | - |
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 | 8.24 | 39.74 |
| Recency | 12 November 2012 | 3 August 2021 |
| Maximum RAM amount | 5 GB | 32 GB |
| Chip lithography | 28 nm | 7 nm |
| Power consumption (TDP) | 225 Watt | 200 Watt |
Pro W6800X has a 382% higher aggregate performance score, an age advantage of 8 years, a 540% higher maximum VRAM amount, a 300% more advanced lithography process, and 13% lower power consumption.
The Radeon Pro W6800X is our recommended choice as it beats the Tesla K20c in performance tests.
Other comparisons
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