NVIDIA RTX 4000 SFF Ada Generation vs NVIDIA Tesla K20X
We compared two Professional market GPUs: 16GB VRAM RTX 4000 SFF Ada Generation and 6GB VRAM Tesla K20X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX 4000 SFF Ada Generation 's Advantages
Released 6 years late
Boost Clock1746MHz
More VRAM (16GB vs 6GB)
Larger VRAM bandwidth (1.02TB/s vs 249.6GB/s)
1152 additional rendering cores
NVIDIA Tesla K20X 's Advantages
Lower TDP (235W vs 300W)
Score
Benchmark
FP32 (float)
RTX 4000 SFF Ada Generation
+240%
13.41 TFLOPS
Tesla K20X
3.935 TFLOPS
Graphics Card
Nov 2018
Release Date
Nov 2012
Radeon Instinct
Generation
Tesla
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1200 MHz
Base Clock
-
1746 MHz
Boost Clock
-
1000 MHz
Memory Clock
1300 MHz
Memory
16GB
Memory Size
6GB
HBM2
Memory Type
GDDR5
4096bit
Memory Bus
384bit
1.02TB/s
Bandwidth
249.6GB/s
Render Config
60
Compute Units
-
48
SM Count
-
3840
Shading Units
2688
240
TMUs
224
64
ROPs
48
192
Tensor Cores
-
48
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
1536 KB
-
-
-
Theoretical Performance
111.7 GPixel/s
Pixel Rate
40.99 GPixel/s
419.0 GTexel/s
Texture Rate
164.0 GTexel/s
26.82 TFLOPS
FP16 (half)
-
13.41 TFLOPS
FP32 (float)
3.935 TFLOPS
6.705 TFLOPS
FP64 (double)
1312 GFLOPS
Board Design
300W
TDP
235W
700 W
Suggested PSU
550 W
1x mini-DisplayPort 1.4a
Outputs
No outputs
2x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Vega 20
GPU Name
GK110
Vega 20 GLXT
GPU Variant
-
GCN 5.1
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
13.23 billion
Transistors
7.08 billion
331 mm²
Die Size
561 mm²
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.1
8.9
CUDA
3.5
6.7
Shader Model
5.1
