AMD Radeon Instinct MI250 vs PowerColor Red Devil RX 6650 XT

Comparison of AMD Radeon Instinct MI250 with 128 GB HBM2e and 13,312 cores vs PowerColor Red Devil RX 6650 XT with 8 GB GDDR6 and 2,048 cores.

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Performance Rating

AMD Radeon Instinct MI250 outperforms PowerColor Red Devil RX 6650 XT by 716.85% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon Instinct MI250

50.9

AMD Radeon Instinct MI250

50.9
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

PowerColor Red Devil RX 6650 XT

6.2

PowerColor Red Devil RX 6650 XT

6.2

Contents:

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

Memory

Memory Size

🔥 +1,500% 128 ГБ
8 ГБ

Memory Type

HBM2e GDDR6

Memory Bandwidth

🔥 3.28 TB/s
280.3 GB/s

Memory Bus Width

8,192 бит 128 бит

ML Performance

FP16 (Half Precision)

🔥 +1,541% 362.1 TFLOPS
22.07 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +310% 45.26 TFLOPS
11.03 TFLOPS

FP64 (Double Precision)

🔥 +6,462% 45.26 TFLOPS
0.6897000000000001 TFLOPS

CUDA Cores

🔥 +550% 13,312
2,048

RT Cores

No
🔥 32

Architecture & Compatibility

GPU Architecture

CDNA 2.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x8

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,000
🔥 +119% 2,192

Boost Clock

1,700
🔥 +58% 2,694

Memory Clock

1,600
🔥 +37% 2,190

Power Consumption

TDP/TGP

500 W
🔥 -65% 176 W

Recommended PSU

900 W
🔥 -50% 450 W

Power Connector

2x 8-pin 1x 6-pin + 1x 8-pin

Rendering

Texture Units (TMU)

🔥 +550% 832
128

ROP

No
🔥 32

L2 Cache

16 MB
🔥 2 MB

Benchmarks

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

63.9 tokens/s

Additional

Slots

Dual-slot Triple-slot

Release Date

Nov. 8, 2021 May 10, 2022

Display Outputs

No outputs
1x HDMI 2.1
3x DisplayPort 1.4a

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