AMD Radeon Instinct MI355X vs VASTARMOR RX 7700 XT Alloy White

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs VASTARMOR RX 7700 XT Alloy White with 12 GB GDDR6 and 3,456 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon Instinct MI355X

93.5

AMD Radeon Instinct MI355X

93.5
MI250 MI250
Instinct MI300X Instinct MI300X
RX 7900 XTX RX 7900 XTX

VASTARMOR RX 7700 XT Alloy White

VASTARMOR RX 7700 XT Alloy White

Contents:

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

Memory

Memory Size

🔥 +2,300% 288 ГБ
12 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 8.19 TB/s
432.0 GB/s

Memory Bus Width

8,192 бит 192 бит

ML Performance

FP16 (Half Precision)

🔥 +775% 629.1 TFLOPS
71.86 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +119% 78.64 TFLOPS
35.93 TFLOPS

FP64 (Double Precision)

🔥 +6,904% 78.64 TFLOPS
1.1228 TFLOPS

CUDA Cores

🔥 +374% 16,384
3,456

RT Cores

No 54

Architecture & Compatibility

GPU Architecture

CDNA 4.0 RDNA 3.0

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
1,784

Boost Clock

🔥 2,400
2,599

Memory Clock

🔥 2,000
2,250

Power Consumption

TDP/TGP

1400 W
🔥 -82% 245 W

Recommended PSU

1800 W
🔥 -69% 550 W

Power Connector

None 2x 8-pin

Rendering

Texture Units (TMU)

🔥 +374% 1,024
216

ROP

No 54

L2 Cache

🔥 +700% 16 MB
2 MB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

OAM Module Triple-slot

Release Date

July 15, 2025 Aug. 25, 2023

Display Outputs

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

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