AMD Radeon Instinct MI355X vs AMD Radeon RX 455 OEM

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs AMD Radeon RX 455 OEM with 2 GB GDDR5 and 768 cores.

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Performance Rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon Instinct MI355X

93.5

AMD Radeon Instinct MI355X

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

AMD Radeon RX 455 OEM

AMD Radeon RX 455 OEM

Expert Comparison

AMD Radeon Instinct MI355X значительно превосходит AMD Radeon RX 455 OEM по всем параметрам. MI355X имеет гораздо больше ядер и памяти, а также значительно большую пропускную способность и производительность в FP32. Она предназначена для вычислений и обработки больших данных, в то время как RX 455 OEM более подходящий для игр и базовых вычислений.

Contents:

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

Memory

Memory Size

🔥 +14,300% 288 ГБ
2 GB

Memory Type

HBM3e GDDR5

Memory Bandwidth

🔥 8.19 TB/s
104.0 GB/s

Memory Bus Width

8,192 бит 128 бит

ML Performance

FP16 (Half Precision)

🔥 629.1 TFLOPS
No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +4,775% 78.64 TFLOPS
1.613 TFLOPS

FP64 (Double Precision)

🔥 +78,540% 78.64 TFLOPS
0.1 TFLOPS

CUDA Cores

🔥 +2,033% 16,384
768

RT Cores

No No

Architecture & Compatibility

GPU Architecture

CDNA 4.0 GCN 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

🔥 1,000
No

Boost Clock

🔥 2,400
No

Memory Clock

🔥 +23% 2,000
1,625

Power Consumption

TDP/TGP

1400 W
🔥 -93% 100 W

Recommended PSU

1800 W
🔥 -83% 300 W

Power Connector

None 1x 6-pin

Rendering

Texture Units (TMU)

🔥 +2,033% 1,024
48

ROP

No No

L2 Cache

🔥 16 MB
256 KB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

OAM Module Single-slot

Release Date

July 15, 2025 June 30, 2016

Display Outputs

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

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