NVIDIA A800 SXM4 80 GB vs PowerColor Red Devil RX 6900 XT Limited Edition

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs PowerColor Red Devil RX 6900 XT Limited Edition with 16 GB GDDR6 and 5,120 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

NVIDIA A800 SXM4 80 GB

NVIDIA A800 SXM4 80 GB

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

PowerColor Red Devil RX 6900 XT Limited Edition

PowerColor Red Devil RX 6900 XT Limited Edition

Contents:

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

Memory

Memory Size

80 GB 16 GB

Memory Type

HBM2e GDDR6

Memory Bandwidth

2.04 TB/s 512.0 GB/s

Memory Bus Width

5,120 бит 256 бит

ML Performance

FP16 (Half Precision)

77.97 TFLOPS 47.92 TFLOPS

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS 23.96 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS 1.4976 TFLOPS

CUDA Cores

6,912 5,120

RT Cores

No 80

Architecture & Compatibility

GPU Architecture

Ampere RDNA 2.0

SM (Streaming Multiprocessor)

108 No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

8.0 No

Clocks & Performance

Base Clock

1,155 1,925

Boost Clock

1,410 2,340

Memory Clock

1,593 2,000

Power Consumption

TDP/TGP

400 W
🔥 -25% 300 W

Recommended PSU

800 W
🔥 -12% 700 W

Power Connector

None 3x 8-pin

Rendering

Texture Units (TMU)

432 320

ROP

No 80

L2 Cache

40 MB 4 MB

Additional

Slots

SXM Module Triple-slot

Release Date

Aug. 11, 2022 Oct. 28, 2020

Display Outputs

No outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C

Renting is cheaper than buying