NVIDIA A800 SXM4 80 GB vs VASTARMOR RX 7900 XT Starry Sky

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs VASTARMOR RX 7900 XT Starry Sky with 20 GB GDDR6 and 5,376 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
MI250 MI250
Instinct MI300X Instinct MI300X

VASTARMOR RX 7900 XT Starry Sky

22.6

VASTARMOR RX 7900 XT Starry Sky

22.6

Contents:

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

Memory

Memory Size

80 GB
🔥 20 ГБ

Memory Type

HBM2e GDDR6

Memory Bandwidth

2.04 TB/s 800.0 GB/s

Memory Bus Width

5,120 бит 320 бит

ML Performance

FP16 (Half Precision)

77.97 TFLOPS
🔥 +32% 103.0 TFLOPS

BF16 (Brain Float)

311.84 TFLOPS No

TF32 (TensorFloat)

155.92 No

Compute Power

FP32 (Single Precision)

19.49 TFLOPS
🔥 +164% 51.48 TFLOPS

FP64 (Double Precision)

9.746 TFLOPS
🔥 1.609 TFLOPS

CUDA Cores

6,912
🔥 5,376

RT Cores

No
🔥 84

Architecture & Compatibility

GPU Architecture

Ampere RDNA 3.0

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
🔥 +20% 1,387

Boost Clock

1,410
🔥 +70% 2,394

Memory Clock

1,593
🔥 +57% 2,500

Power Consumption

TDP/TGP

400 W
🔥 -25% 300 W

Recommended PSU

800 W
🔥 -12% 700 W

Power Connector

None 2x 8-pin

Rendering

Texture Units (TMU)

432
🔥 336

ROP

No
🔥 84

L2 Cache

40 MB
🔥 6 MB

Additional

Slots

SXM Module Triple-slot

Release Date

Aug. 11, 2022 Nov. 3, 2022

Display Outputs

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

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