AMD Radeon RX 7900M vs PowerColor R9 280X

Comparison of AMD Radeon RX 7900M with 16 GB GDDR6 and 4,608 cores vs PowerColor R9 280X with 3 GB GDDR5 and 2,048 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon RX 7900M

AMD Radeon RX 7900M

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

PowerColor R9 280X

PowerColor R9 280X

Contents:

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

Memory

Memory Size

16 GB 3 GB

Memory Type

GDDR6 GDDR5

Memory Bandwidth

576.0 GB/s 288.0 GB/s

Memory Bus Width

256 бит 384 бит

ML Performance

FP16 (Half Precision)

77.05 TFLOPS No

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

38.52 TFLOPS 4.096 TFLOPS

FP64 (Double Precision)

1.2038 TFLOPS 1.024 TFLOPS

CUDA Cores

4,608 2,048

RT Cores

72 No

Architecture & Compatibility

GPU Architecture

RDNA 3.0 GCN 1.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

1,825 850

Boost Clock

2,090 1,000

Memory Clock

2,250 1,500

Power Consumption

TDP/TGP

🔥 -28% 180 W
250 W

Recommended PSU

No 600 W

Power Connector

None 1x 6-pin + 1x 8-pin

Rendering

Texture Units (TMU)

288 128

ROP

72 No

L2 Cache

6 MB 768 KB

Additional

Slots

IGP Dual-slot

Release Date

Oct. 19, 2023 Oct. 8, 2013

Display Outputs

Portable Device Dependent
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2

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