AMD Radeon Instinct MI300X vs Dell RX 6600 XT OEM

Comparison of AMD Radeon Instinct MI300X with 192 GB HBM3 and 19,456 cores vs Dell RX 6600 XT OEM with 8 GB GDDR6 and 2,048 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon Instinct MI300X

AMD Radeon Instinct MI300X

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

Dell RX 6600 XT OEM

Dell RX 6600 XT OEM

Contents:

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

Memory

Memory Size

192 GB 8 GB

Memory Type

HBM3 GDDR6

Memory Bandwidth

10.3 TB/s 256.0 GB/s

Memory Bus Width

8,192 бит 128 бит

ML Performance

FP16 (Half Precision)

653.7 TFLOPS 21.21 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

81.72 TFLOPS 10.6 TFLOPS

FP64 (Double Precision)

81.72 TFLOPS 0.6628 TFLOPS

CUDA Cores

19,456 2,048

RT Cores

No 32

Architecture & Compatibility

GPU Architecture

CDNA 3.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x8

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,000 1,968

Boost Clock

2,100 2,589

Memory Clock

2,525 2,000

Power Consumption

TDP/TGP

750 W
🔥 -79% 160 W

Recommended PSU

1150 W
🔥 -61% 450 W

Power Connector

None 1x 8-pin

Rendering

Texture Units (TMU)

1,216 128

ROP

No 32

L2 Cache

16 MB 2 MB

Benchmarks

MLPerf, llama2-70b-99.9 (UNSET)

1 983 tokens/s

MLPerf, llama2-70b-99.9 (fp16)

1 740 tokens/s

MLPerf, llama2-70b-99.9 (fp8)

1 057 tokens/s

MLPerf, llama3.1-405b (UNSET)

30.4 tokens/s

MLPerf, llama3.1-405b (fp16)

34.8 tokens/s

llama.cpp, llama-2-7b-Q4_0

232.9 tokens/s

MLPerf, mixtral-8x7b (fp8)

5 975 tokens/s

Additional

Slots

OAM Module Dual-slot

Release Date

Dec. 6, 2023 July 30, 2021

Display Outputs

No outputs
1x HDMI 2.1
3x DisplayPort 1.4a

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