AMD Radeon RX 7900M vs ASRock LC RX 6900 XT OEM

Comparison of AMD Radeon RX 7900M with 16 GB GDDR6 and 4,608 cores vs ASRock LC RX 6900 XT OEM with 16 GB GDDR6 and 5,120 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon RX 7900M

AMD Radeon RX 7900M

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

ASRock LC RX 6900 XT OEM

ASRock LC RX 6900 XT OEM

Contents:

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

Memory

Memory Size

16 GB 16 GB

Memory Type

GDDR6 GDDR6

Memory Bandwidth

576.0 GB/s 512.0 GB/s

Memory Bus Width

256 бит 256 бит

ML Performance

FP16 (Half Precision)

77.05 TFLOPS 46.08 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

38.52 TFLOPS 23.04 TFLOPS

FP64 (Double Precision)

1.2038 TFLOPS 1.44 TFLOPS

CUDA Cores

4,608 5,120

RT Cores

72 80

Architecture & Compatibility

GPU Architecture

RDNA 3.0 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

1,825 1,825

Boost Clock

2,090 2,250

Memory Clock

2,250 2,000

Power Consumption

TDP/TGP

🔥 -40% 180 W
300 W

Recommended PSU

No 700 W

Power Connector

None 2x 8-pin

Rendering

Texture Units (TMU)

288 320

ROP

72 80

L2 Cache

6 MB 4 MB

Additional

Slots

IGP Dual-slot

Release Date

Oct. 19, 2023 Oct. 28, 2020

Display Outputs

Portable Device Dependent
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C

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