AMD Radeon Instinct MI250 vs ZOTAC GTX 660 Thunderbolt

Comparison of AMD Radeon Instinct MI250 with 128 GB HBM2e and 13,312 cores vs ZOTAC GTX 660 Thunderbolt with 2 GB GDDR5 and 960 cores.

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Performance Rating

AMD Radeon Instinct MI250 outperforms ZOTAC GTX 660 Thunderbolt by 2,743.02% 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

ZOTAC GTX 660 Thunderbolt

1.8

ZOTAC GTX 660 Thunderbolt

1.8

Contents:

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

Memory

Memory Size

🔥 +6,300% 128 ГБ
2 ГБ

Memory Type

HBM2e GDDR5

Memory Bandwidth

🔥 3.28 TB/s
144.2 GB/s

Memory Bus Width

8,192 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 362.1 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +2,185% 45.26 TFLOPS
1.981 TFLOPS

FP64 (Double Precision)

🔥 +54,721% 45.26 TFLOPS
0.08256000000000001 TFLOPS

CUDA Cores

🔥 +1,287% 13,312
960

RT Cores

No No

Architecture & Compatibility

GPU Architecture

CDNA 2.0 Kepler

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No 3.0

Clocks & Performance

Base Clock

🔥 +2% 1,000
980

Boost Clock

🔥 +65% 1,700
1,032

Memory Clock

🔥 +7% 1,600
1,502

Power Consumption

TDP/TGP

500 W
🔥 -72% 140 W

Recommended PSU

900 W
🔥 -67% 300 W

Power Connector

2x 8-pin 1x 6-pin

Rendering

Texture Units (TMU)

🔥 +940% 832
80

ROP

No No

L2 Cache

🔥 16 MB
384 KB

Benchmarks

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

63.9 tokens/s

Additional

Slots

Dual-slot Dual-slot

Release Date

Nov. 8, 2021 Feb. 1, 2013

Display Outputs

No outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

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