GALAX RTX 5090 D HOF OC LAB XOC vs Sapphire NITRO+ RX 6800 XT SE

Comparison of GALAX RTX 5090 D HOF OC LAB XOC with 32 GB GDDR7 and 21,760 cores vs Sapphire NITRO+ RX 6800 XT SE 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
Instinct MI300X Instinct MI300X
MI250 MI250

Sapphire NITRO+ RX 6800 XT SE

Sapphire NITRO+ RX 6800 XT SE

Contents:

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

Memory

Memory Size

32 GB 16 GB

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 43.5 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

115.5 TFLOPS 21.75 TFLOPS

FP64 (Double Precision)

1.805 TFLOPS 1.3594 TFLOPS

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 1,925

Boost Clock

2,655 2,360

Memory Clock

1,750 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

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