AMD Radeon RX 7900M vs EVGA GTX 660 3 GB

Comparison of AMD Radeon RX 7900M with 16 GB GDDR6 and 4,608 cores vs EVGA GTX 660 3 GB with 3 GB GDDR5 and 960 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

EVGA GTX 660 3 GB

EVGA GTX 660 3 GB

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 144.2 GB/s

Memory Bus Width

256 бит 192 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 1.981 TFLOPS

FP64 (Double Precision)

1.2038 TFLOPS 0.0826 TFLOPS

CUDA Cores

4,608 960

RT Cores

72 No

Architecture & Compatibility

GPU Architecture

RDNA 3.0 Kepler

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 4.0 x16 PCIe 3.0 x16

ML Software Support

CUDA Version

No 3.0

Clocks & Performance

Base Clock

1,825 980

Boost Clock

2,090 1,032

Memory Clock

2,250 1,502

Power Consumption

TDP/TGP

180 W
🔥 -22% 140 W

Recommended PSU

No 300 W

Power Connector

None 1x 6-pin

Rendering

Texture Units (TMU)

288 80

ROP

72 No

L2 Cache

6 MB 384 KB

Additional

Slots

IGP Dual-slot

Release Date

Oct. 19, 2023 Sept. 6, 2012

Display Outputs

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

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