NVIDIA Tesla K40c vs NVIDIA TITAN RTX
GPU · Specs Compare
Graphics Card
Release Date
Oct 2013
Dec 2018
Generation
Tesla
GeForce 20
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
745 MHz
1350 MHz
Boost Clock
876 MHz
1770 MHz
Memory Clock
1502 MHz
1750 MHz
Memory
Memory Size
12GB
24GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
384bit
Bandwidth
288.4GB/s
672.0GB/s
Render Config
Shading Units
2880
4608
TMUs
240
288
ROPs
48
96
L1 Cache
16 KB (per SMX)
64 KB (per SM)
L2 Cache
1536 KB
6 MB
SM Count
—
72
Tensor Cores
—
576
RT Cores
—
72
Theoretical Performance
Pixel Rate
52.56 GPixel/s
169.9 GPixel/s
Texture Rate
210.2 GTexel/s
509.8 GTexel/s
FP32 (float)
5.046 TFLOPS
16.31 TFLOPS
FP64 (double)
1.682 TFLOPS
509.8 GFLOPS
FP16 (half)
—
32.62 TFLOPS
Graphics Processor
GPU Name
GK180
TU102
GPU Variant
GK180-890-A1
TU102-400-A1
Architecture
Kepler
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
7.08 billion
18.6 billion
Die Size
561 mm²
754 mm²
Board Design
TDP
245W
280W
Suggested PSU
550 W
600 W
Outputs
No outputs
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.5
7.5
Shader Model
5.1
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.