NVIDIA A800 SXM4 80 GB vs NVIDIA Tesla K20s

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs NVIDIA Tesla K20s with 5 GB GDDR5 and 2,496 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

NVIDIA A800 SXM4 80 GB

NVIDIA A800 SXM4 80 GB

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

NVIDIA Tesla K20s

2.9

NVIDIA Tesla K20s

2.9

Contents:

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

Memory

Memory Size

80 GB 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)

19.49 TFLOPS 2.87 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 0.9568 TFLOPS

CUDA Cores

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

1,593 1,300

Power Consumption

TDP/TGP

400 W
🔥 -44% 225 W

Recommended PSU

800 W
🔥 -31% 550 W

Power Connector

None No

Rendering

Texture Units (TMU)

432 208

ROP

No No

L2 Cache

40 MB 1280 KB

Additional

Slots

SXM Module Dual-slot

Release Date

Aug. 11, 2022 Feb. 18, 2013

Display Outputs

No outputs
No outputs

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