NVIDIA A800 SXM4 80 GB vs XFX R9 270X BestBuy Exclusive

Comparison of NVIDIA A800 SXM4 80 GB with 80 GB HBM2e and 6,912 cores vs XFX R9 270X BestBuy Exclusive with 2 GB GDDR5 and 1,280 cores.

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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

XFX R9 270X BestBuy Exclusive

XFX R9 270X BestBuy Exclusive

Contents:

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

Memory

Memory Size

🔥 +3,900% 80 ГБ
2 GB

Memory Type

HBM2e GDDR5

Memory Bandwidth

🔥 2.04 TB/s
179.2 GB/s

Memory Bus Width

5,120 бит 256 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)

🔥 +625% 19.49 TFLOPS
2.688 TFLOPS

FP64 (Double Precision)

🔥 +5,701% 9.746 TFLOPS
0.168 TFLOPS

CUDA Cores

🔥 +440% 6,912
1,280

RT Cores

No No

Architecture & Compatibility

GPU Architecture

Ampere GCN 1.0

SM (Streaming Multiprocessor)

🔥 108
No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

8.0 No

Clocks & Performance

Base Clock

🔥 +16% 1,155
1,000

Boost Clock

🔥 +34% 1,410
1,050

Memory Clock

🔥 +14% 1,593
1,400

Power Consumption

TDP/TGP

400 W
🔥 -55% 180 W

Recommended PSU

800 W
🔥 -44% 450 W

Power Connector

None 2x 6-pin

Rendering

Texture Units (TMU)

🔥 +440% 432
80

ROP

No No

L2 Cache

🔥 40 MB
512 KB

Additional

Slots

🔥 SXM Module
Dual-slot

Release Date

Aug. 11, 2022 Oct. 8, 2013

Display Outputs

No outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2

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