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NVIDIA Tesla K20c

GK110
Graphics Processor
2496
Cores
208
TMUs
40
ROPs
5120 MB
Memory Size
GDDR5
Memory Type
320 bit
Bus Width
NVIDIA Tesla K20c Image NVIDIA GK110 Image
The Tesla K20c was a high-end professional graphics card by NVIDIA, launched in November 2012. Built on the 28 nm process, and based on the GK110 graphics processor, in its GK110-885-KA-A1 variant, the card supports DirectX 12.0. The GK110 graphics processor is a large chip with a die area of 561 mm² and 7,080 million transistors. Unlike the fully unlocked GeForce GTX TITAN, which uses the same GPU but has all 2688 shaders enabled, NVIDIA has disabled some shading units on the Tesla K20c to reach the product's target shader count. It features 2496 shading units, 208 texture mapping units and 40 ROPs. NVIDIA has placed 5,120 MB GDDR5 memory on the card, which are connected using a 320-bit memory interface. The GPU is operating at a frequency of 706 MHz, memory is running at 1300 MHz.
We recommend the NVIDIA Tesla K20c for gaming with highest details at resolutions up to, and including, 1920x1080.
Being a dual-slot card, the NVIDIA Tesla K20c draws power from 1x 6-pin + 1x 8-pin power connectors, with power draw rated at 225 W maximum. This device has no display connectivity, as it is not designed to have monitors connected to it. Tesla K20c is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 267 mm in length, and features a dual-slot cooling solution. Its price at launch was 3,199 US Dollars.

Graphics Processor

GPU Name
GK110
GPU Variant
GK110-885-KA-A1
Architecture
Kepler
Process Size
28 nm
Transistors
7,080 million
Die Size
561 mm²

Graphics Card

Released
Nov 12th, 2012
Production Status
End-of-life
Launch Price
3,199 USD
Bus Interface
PCIe 2.0 x16

Relative Performance

3%
4%
5%
6%
8%
8%
10%
13%
13%
14%
15%
15%
18%
19%
20%
21%
22%
22%
24%
25%
26%
26%
27%
31%
31%
32%
32%
32%
33%
33%
35%
37%
37%
39%
39%
39%
40%
40%
40%
41%
43%
44%
47%
48%
48%
50%
50%
51%
55%
57%
57%
58%
58%
60%
61%
61%
63%
65%
67%
68%
68%
68%
68%
74%
74%
76%
77%
77%
78%
78%
80%
80%
82%
88%
91%
93%
93%
94%
95%
98%
100%
Tesla K20c
100%
102%
105%
106%
106%
118%
130%
132%
140%
141%
143%
145%
146%
147%
147%
149%
150%
152%
163%
165%
165%
167%
183%
187%
196%
202%
222%
230%
251%
251%
261%
305%
313%
Based on TPU review data: "Performance Summary" at 1920x1080
Performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock
706 MHz
Memory Clock
1300 MHz
5200 MHz effective

Memory

Memory Size
5120 MB
Memory Type
GDDR5
Memory Bus
320 bit
Bandwidth
208.0 GB/s

Render Config

Shading Units
2496
TMUs
208
ROPs
40
SMX Count
13

Theoretical Performance

Pixel Rate
36.71 GPixel/s
Texture Rate
146.8 GTexel/s
FP32 (float) performance
3,524 GFLOPS
FP64 (DP) performance
1,175 GFLOPS (1/3)

Board Design

Slot Width
Dual-slot
Length
10.5 inches
267 mm
TDP
225 W
Outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
Board Number
P2081

Graphics Features

DirectX
12.0 (11_0)
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.73
CUDA
3.5
Shader Model
5.1

Card Notes

DPUs: 832
SFUs: 416
LD/ST: 416