AMD Radeon R9 255 OEM vs NVIDIA A100 PCIe 80 GB

Comparison of AMD Radeon R9 255 OEM with 2 GB GDDR5 and 512 cores vs NVIDIA A100 PCIe 80 GB with 80 GB HBM2e and 6,912 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon R9 255 OEM

AMD Radeon R9 255 OEM

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

NVIDIA A100 PCIe 80 GB

NVIDIA A100 PCIe 80 GB

Contents:

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

Memory

Memory Size

2 GB 80 GB

Memory Type

GDDR5 HBM2e

Memory Bandwidth

73.60 GB/s 1.94 TB/s

Memory Bus Width

128 бит 5,120 бит

ML Performance

FP16 (Half Precision)

No 77.97 TFLOPS

BF16 (Brain Float)

No 311.84 TFLOPS

TF32 (TensorFloat)

No 155.92

Compute Power

FP32 (Single Precision)

0.9523 TFLOPS 19.49 TFLOPS

FP64 (Double Precision)

0.0595 TFLOPS 9.746 TFLOPS

CUDA Cores

512 6,912

RT Cores

No No

Architecture & Compatibility

GPU Architecture

GCN 1.0 Ampere

SM (Streaming Multiprocessor)

No 108

PCIe Version

PCIe 3.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No 8.0

Clocks & Performance

Base Clock

900 1,065

Boost Clock

930 1,410

Memory Clock

1,150 1,512

Power Consumption

TDP/TGP

🔥 -78% 65 W
300 W

Recommended PSU

🔥 -64% 250 W
700 W

Power Connector

1x 6-pin 8-pin EPS

Rendering

Texture Units (TMU)

32 432

ROP

No No

L2 Cache

256 KB 80 MB

Additional

Slots

Dual-slot Dual-slot

Release Date

Dec. 21, 2013 June 28, 2021

Display Outputs

No outputs
No outputs

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