NVIDIA GeForce GTX 660 OEM vs AMD Radeon Instinct MI325X

VS

NVIDIA GeForce GTX 660 OEM

AMD Radeon Instinct MI325X

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 660 OEM and 288GB VRAM Radeon Instinct MI325X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 OEM 's Advantages

Lower TDP (130W vs 750W)

AMD Radeon Instinct MI325X 's Advantages

Released 12 years and 2 months late

Boost Clock has increased by 136% (2100MHz vs 888MHz)

More VRAM (288GB vs 1536GB)

Larger VRAM bandwidth (10.3TB/s vs 134.4GB/s)

18304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon Instinct MI325X +3894%

81.72 TFLOPS

GeForce GTX 660 OEM

VS

Radeon Instinct MI325X

Graphics Card

Aug 2012

Release Date

Oct 2024

GeForce 600

Generation

Radeon Instinct(MIx)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

823 MHz

Base Clock

1000 MHz

888 MHz

Boost Clock

2100 MHz

1400 MHz

Memory Clock

2525 MHz

Memory

1536MB

Memory Size

288GB

GDDR5

Memory Type

HBM3e

192bit

Memory Bus

8192bit

134.4GB/s

Bandwidth

10.3TB/s

Render Config

-

Compute Units

304

-

1152

Shading Units

19456

96

TMUs

1216

24

ROPs

0

-

Tensor Cores

1216

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

16 MB

-

L3 Cache

256 MB

Theoretical Performance

21.31 GPixel/s

Pixel Rate

0 MPixel/s

85.25 GTexel/s

Texture Rate

2554 GTexel/s

-

FP16 (half)

653.7 TFLOPS

2.046 TFLOPS

FP32 (float)

81.72 TFLOPS

85.25 GFLOPS

FP64 (double)

81.72 TFLOPS

Board Design

130W

TDP

750W

300 W

Suggested PSU

1150 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

No outputs

1x 6-pin

Power Connectors

None

Graphics Processor

GK104

GPU Name

Aqua Vanjaram

GK104-200-KD-A2

GPU Variant

-

Kepler

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

3.54 billion

Transistors

153 billion

294 mm²

Die Size

1017 mm²

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

N/A

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