AMD Radeon Instinct MI250 vs XFX Speedster SWFT 309 RX 6700 XL

Comparison of AMD Radeon Instinct MI250 with 128 GB HBM2e and 13,312 cores vs XFX Speedster SWFT 309 RX 6700 XL with 10 GB GDDR6 and 2,304 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon Instinct MI250

AMD Radeon Instinct MI250

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

XFX Speedster SWFT 309 RX 6700 XL

XFX Speedster SWFT 309 RX 6700 XL

Contents:

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

Memory

Memory Size

128 GB 10 GB

Memory Type

HBM2e GDDR6

Memory Bandwidth

3.28 TB/s 320.0 GB/s

Memory Bus Width

8,192 бит 160 бит

ML Performance

FP16 (Half Precision)

362.1 TFLOPS 22.58 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

45.26 TFLOPS 11.29 TFLOPS

FP64 (Double Precision)

45.26 TFLOPS 0.7056 TFLOPS

CUDA Cores

13,312 2,304

RT Cores

No 36

Architecture & Compatibility

GPU Architecture

CDNA 2.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,000 1,941

Boost Clock

1,700 2,450

Memory Clock

1,600 2,000

Power Consumption

TDP/TGP

500 W
🔥 -56% 220 W

Recommended PSU

900 W
🔥 -39% 550 W

Power Connector

2x 8-pin 2x 8-pin

Rendering

Texture Units (TMU)

832 144

ROP

No 36

L2 Cache

16 MB 3 MB

Benchmarks

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

63.9 tokens/s

Additional

Slots

Dual-slot Dual-slot

Release Date

Nov. 8, 2021 June 9, 2021

Display Outputs

No outputs
1x HDMI 2.1
3x DisplayPort 1.4a

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