AMD Radeon Instinct MI300X vs PowerColor Red Devil RX 6800 XT

Comparison of AMD Radeon Instinct MI300X with 192 GB HBM3 and 19,456 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

AMD Radeon Instinct MI300X

94.1

AMD Radeon Instinct MI300X

94.1
MI250 MI250
Instinct MI300X Instinct MI300X
RX 7900 XTX RX 7900 XTX

PowerColor Red Devil RX 6800 XT

PowerColor Red Devil RX 6800 XT

Contents:

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

Memory

Memory Size

🔥 +1,100% 192 ГБ
16 GB

Memory Type

HBM3 GDDR6

Memory Bandwidth

🔥 10.3 TB/s
512.0 GB/s

Memory Bus Width

8,192 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +1,416% 653.7 TFLOPS
43.13 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +279% 81.72 TFLOPS
21.57 TFLOPS

FP64 (Double Precision)

🔥 +5,963% 81.72 TFLOPS
1.3478 TFLOPS

CUDA Cores

🔥 +322% 19,456
4,608

RT Cores

No 72

Architecture & Compatibility

GPU Architecture

CDNA 3.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

🔥 1,000
1,900

Boost Clock

🔥 2,100
2,340

Memory Clock

🔥 +26% 2,525
2,000

Power Consumption

TDP/TGP

750 W
🔥 -60% 300 W

Recommended PSU

1150 W
🔥 -39% 700 W

Power Connector

None 2x 8-pin

Rendering

Texture Units (TMU)

🔥 +322% 1,216
288

ROP

No 72

L2 Cache

🔥 +300% 16 MB
4 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 Triple-slot

Release Date

Dec. 6, 2023 Oct. 28, 2020

Display Outputs

No outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C

1x HDMI 2.1
3x DisplayPort 1.4a

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