NVIDIA A800 SXM4 80 GB vs NVIDIA Tesla K20c

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs NVIDIA Tesla K20c with 5 GB GDDR5 and 2,496 cores.

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Performance Rating

NVIDIA A800 SXM4 80 GB outperforms NVIDIA Tesla K20c by 709.06% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

NVIDIA A800 SXM4 80 GB

25.9

NVIDIA A800 SXM4 80 GB

25.9
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA Tesla K20c

3.2

NVIDIA Tesla K20c

3.2

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Additional

Memory

Memory Size

🔥 +1,500% 80 ГБ
5 ГБ

Memory Type

HBM2e GDDR5

Memory Bandwidth

🔥 2.04 TB/s
208.0 GB/s

Memory Bus Width

5,120 бит 320 бит

ML Performance

FP16 (Half Precision)

🔥 77.97 TFLOPS
No

BF16 (Brain Float)

🔥 311.84 TFLOPS
No

TF32 (TensorFloat)

🔥 155.92
No

Compute Power

FP32 (Single Precision)

🔥 +453% 19.49 TFLOPS
3.524 TFLOPS

FP64 (Double Precision)

🔥 +729% 9.746 TFLOPS
1.175 TFLOPS

CUDA Cores

🔥 +177% 6,912
2,496

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Ampere Kepler

SM (Streaming Multiprocessor)

🔥 108
No

PCIe Version

PCIe 4.0 x16 PCIe 2.0 x16

ML Software Support

CUDA Version

🔥 8.0
3.5

Clocks & Performance

Base Clock

🔥 1,155
No

Boost Clock

🔥 1,410
No

Memory Clock

🔥 +23% 1,593
1,300

Power Consumption

TDP/TGP

400 W
🔥 -44% 225 W

Recommended PSU

800 W
🔥 -31% 550 W

Power Connector

None 1x 6-pin + 1x 8-pin

Rendering

Texture Units (TMU)

🔥 +108% 432
208

ROP

No No

L2 Cache

🔥 40 MB
1280 KB

Additional

Slots

🔥 SXM Module
Dual-slot

Release Date

Aug. 11, 2022 Nov. 12, 2012

Display Outputs

No outputs
No outputs

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