NVIDIA Tesla T4 vs NVIDIA Tesla K40st
GPU Specs Compare
Graphics Card
Release Date
Sep 2018
Nov 2013
Generation
Tesla
Tesla
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
585 MHz
-
Boost Clock
1590 MHz
-
Memory Clock
1250 MHz
1502 MHz
Memory
Memory Size
16GB
12GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
320.0GB/s
288.4GB/s
Render Config
SM Count
40
-
Shading Units
2560
2880
TMUs
160
240
ROPs
64
48
Tensor Cores
320
-
RT Cores
40
-
L1 Cache
64 KB (per SM)
16 KB (per SMX)
L2 Cache
4 MB
1536 KB
Theoretical Performance
Pixel Rate
101.8 GPixel/s
34.50 GPixel/s
Texture Rate
254.4 GTexel/s
138.0 GTexel/s
FP16 (half)
65.13 TFLOPS
-
FP32 (float)
8.141 TFLOPS
3.312 TFLOPS
FP64 (double)
254.4 GFLOPS
1104 GFLOPS
Graphics Processor
GPU Name
TU104
GK110B
GPU Variant
TU104-895-A1
-
Architecture
Turing
Kepler
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
13.6 billion
7.08 billion
Die Size
545 mm²
561 mm²
Board Design
TDP
70W
245W
Suggested PSU
250 W
550 W
Outputs
No outputs
No outputs
Power Connectors
None
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
7.5
3.5
Shader Model
6.6
5.1
📊 Benchmark
Blender
1,652
-