AMD Radeon RX 6400 vs AMD Radeon RX 7900M

Comparison of AMD Radeon RX 6400 with 4 GB GDDR6 and 768 cores vs AMD Radeon RX 7900M with 16 GB GDDR6 and 4,608 cores.

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Performance Rating

AMD Radeon RX 7900M outperforms AMD Radeon RX 6400 by 606.22% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon RX 6400

2.4

AMD Radeon RX 6400

2.4
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

AMD Radeon RX 7900M

17.0

AMD Radeon RX 7900M

17.0

Contents:

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

Memory

Memory Size

4 ГБ
🔥 +300% 16 ГБ

Memory Type

GDDR6 GDDR6

Memory Bandwidth

128.0 GB/s 576.0 GB/s

Memory Bus Width

64 бит 256 бит

ML Performance

FP16 (Half Precision)

7.13 TFLOPS
🔥 +981% 77.05 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

3.565 TFLOPS
🔥 +981% 38.52 TFLOPS

FP64 (Double Precision)

0.2228 TFLOPS
🔥 +540,394,873% 1,204,000.0 TFLOPS

CUDA Cores

768
🔥 +500% 4,608

RT Cores

12
🔥 +500% 72

Architecture & Compatibility

GPU Architecture

RDNA 2.0 RDNA 3.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x4 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

🔥 +5% 1,923
1,825

Boost Clock

🔥 +11% 2,321
2,090

Memory Clock

2,000
🔥 +12% 2,250

Power Consumption

TDP/TGP

🔥 -71% 53 W
180 W

Recommended PSU

250 W No

Power Connector

None None

Rendering

Texture Units (TMU)

48
🔥 +500% 288

ROP

12
🔥 +500% 72

L2 Cache

1024 KB
🔥 6 MB

Additional

Slots

Single-slot IGP

Release Date

Jan. 19, 2022 Oct. 19, 2023

Display Outputs

1x HDMI 2.1
1x DisplayPort 1.4a
Portable Device Dependent

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