NVIDIA GeForce RTX 3090 Ti vs NVIDIA Tesla K20c

GPU · Specs Compare

Products
GPU NVIDIA GeForce RTX 3090 Ti NVIDIA · 2022-01
GPU NVIDIA Tesla K20c NVIDIA · 2012-11
Graphics Card
Release Date
Jan 2022
Nov 2012
Generation
GeForce 30
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
1560 MHz
—
Boost Clock
1860 MHz
—
Memory Clock
1313 MHz
1300 MHz
Memory
Memory Size
24GB
5GB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
320bit
Bandwidth
1.01TB/s
208.0GB/s
Render Config
SM Count
84
—
Shading Units
10752
2496
TMUs
336
208
ROPs
112
40
Tensor Cores
336
—
RT Cores
84
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
6 MB
1280 KB
Theoretical Performance
Pixel Rate
208.3 GPixel/s
36.71 GPixel/s
Texture Rate
625.0 GTexel/s
146.8 GTexel/s
FP16 (half)
40.00 TFLOPS
—
FP32 (float)
40.00 TFLOPS
3.524 TFLOPS
FP64 (double)
625.0 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
GA102
GK110
GPU Variant
GA102-350-A1
GK110-885-KA-A1
Architecture
Ampere
Kepler
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
7.08 billion
Die Size
628 mm²
561 mm²
Board Design
TDP
450W
225W
Suggested PSU
850 W
550 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.1
CUDA
8.6
3.5
Shader Model
6.8
5.1
Benchmark
3DMark Time Spy
21,832
—
3DMark Time Spy Extreme
11,318
—
3DMark Speed Way
5,903
—
Blender
6,217
—
OctaneBench
—
55
▲ Specs Compare Data sourced from official specifications and benchmark tests.