Home GPU Comparison NVIDIA Tesla K80 vs NVIDIA Tesla T40 24 GB

NVIDIA Tesla K80 vs NVIDIA Tesla T40 24 GB

We compared two Professional market GPUs: 12GB VRAM Tesla K80 and 24GB VRAM Tesla T40 24 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla T40 24 GB 's Advantages
Boost Clock has increased by 89% (1560MHz vs 824MHz)
More VRAM (24GB vs 12GB)
Larger VRAM bandwidth (624.0GB/s vs 240.6GB/s)
2112 additional rendering cores
Lower TDP (260W vs 300W)

Score

Benchmark

FP32 (float)
Tesla K80
4.113 TFLOPS
Tesla T40 24 GB +249%
14.38 TFLOPS
VS

Graphics Card

Nov 2014
Release Date
Unknown
Tesla
Generation
Tesla Turing
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

562 MHz
Base Clock
1305 MHz
824 MHz
Boost Clock
1560 MHz
1253 MHz
Memory Clock
1625 MHz

Memory

12GB
Memory Size
24GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
384bit
240.6GB/s
Bandwidth
624.0GB/s

Render Config

-
-
-
-
SM Count
72
2496
Shading Units
4608
208
TMUs
288
48
ROPs
96
-
Tensor Cores
576
-
RT Cores
72
16 KB (per SMX)
L1 Cache
64 KB (per SM)
1536 KB
L2 Cache
6 MB
-
-
-

Theoretical Performance

42.85 GPixel/s
Pixel Rate
149.8 GPixel/s
171.4 GTexel/s
Texture Rate
449.3 GTexel/s
-
FP16 (half)
28.75 TFLOPS
4.113 TFLOPS
FP32 (float)
14.38 TFLOPS
1371 GFLOPS
FP64 (double)
449.3 GFLOPS

Board Design

300W
TDP
260W
700 W
Suggested PSU
600 W
No outputs
Outputs
No outputs
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

GK210
GPU Name
TU102
GK210-885-A1
GPU Variant
-
Kepler 2.0
Architecture
Turing
TSMC
Foundry
TSMC
28 nm
Process Size
12 nm
7.1 billion
Transistors
18.6 billion
561 mm²
Die Size
754 mm²

Graphics Features

12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.7
CUDA
7.5
5.1
Shader Model
6.7

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