NVIDIA Tesla K40c vs NVIDIA RTX 4000 SFF Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
Nov 2018
Generation
Tesla
Radeon Instinct
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
745 MHz
1200 MHz
Boost Clock
876 MHz
1746 MHz
Memory Clock
1502 MHz
1000 MHz
Memory
Memory Size
12GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
384bit
4096bit
Bandwidth
288.4GB/s
1.02TB/s
Render Config
Shading Units
2880
3840
TMUs
240
240
ROPs
48
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
4 MB
SM Count
-
48
Compute Units
-
60
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
52.56 GPixel/s
111.7 GPixel/s
Texture Rate
210.2 GTexel/s
419.0 GTexel/s
FP32 (float)
5.046 TFLOPS
13.41 TFLOPS
FP64 (double)
1.682 TFLOPS
6.705 TFLOPS
FP16 (half)
-
26.82 TFLOPS
Graphics Processor
GPU Name
GK180
Vega 20
GPU Variant
GK180-890-A1
Vega 20 GLXT
Architecture
Kepler
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
7.08 billion
13.23 billion
Die Size
561 mm²
331 mm²
Board Design
TDP
245W
300W
Suggested PSU
550 W
700 W
Outputs
No outputs
1x mini-DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.1
1.3
CUDA
3.5
8.9
Shader Model
5.1
6.7