GALAX RTX 5090 D HOF OC LAB XOC vs PowerColor Red Devil RX 6800 XT

Comparison of GALAX RTX 5090 D HOF OC LAB XOC with 32 GB GDDR7 and 21,760 cores vs PowerColor Red Devil RX 6800 XT with 16 GB GDDR6 and 4,608 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

GALAX RTX 5090 D HOF OC LAB XOC

GALAX RTX 5090 D HOF OC LAB XOC

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

PowerColor Red Devil RX 6800 XT

12.1

PowerColor Red Devil RX 6800 XT

12.1

Contents:

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

Memory

Memory Size

32 GB
🔥 16 ГБ

Memory Type

GDDR7 GDDR6

Memory Bandwidth

1.79 TB/s 512.0 GB/s

Memory Bus Width

512 бит 256 бит

ML Performance

FP16 (Half Precision)

115.5 TFLOPS
🔥 43.13 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

115.5 TFLOPS
🔥 21.57 TFLOPS

FP64 (Double Precision)

1.805 TFLOPS No

CUDA Cores

21,760
🔥 4,608

RT Cores

170
🔥 72

Architecture & Compatibility

GPU Architecture

Blackwell 2.0 RDNA 2.0

SM (Streaming Multiprocessor)

170 No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

12.0 No

Clocks & Performance

Base Clock

2,017
🔥 1,900

Boost Clock

2,655
🔥 2,340

Memory Clock

1,750
🔥 +14% 2,000

Power Consumption

TDP/TGP

575 W
🔥 -48% 300 W

Recommended PSU

950 W
🔥 -26% 700 W

Power Connector

2x 16-pin 2x 8-pin

Rendering

Texture Units (TMU)

680
🔥 288

ROP

170
🔥 72

L2 Cache

96 MB
🔥 4 MB

Additional

Slots

Triple-slot Triple-slot

Release Date

Jan. 30, 2025 Oct. 28, 2020

Display Outputs

1x HDMI 2.1b
3x DisplayPort 2.1b
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C

1x HDMI 2.1
3x DisplayPort 1.4a

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