NVIDIA GeForce GT 645 OEM vs AMD Radeon Instinct MI325X

VS

NVIDIA GeForce GT 645 OEM

AMD Radeon Instinct MI325X

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 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 GT 645 OEM 's Advantages

Lower TDP (102W vs 750W)

AMD Radeon Instinct MI325X 's Advantages

Released 12 years and 6 months late

Boost Clock2100MHz

More VRAM (288GB vs 1024GB)

Larger VRAM bandwidth (10.3TB/s vs 91.87GB/s)

19168 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

Radeon Instinct MI325X +9040%

81.72 TFLOPS

GeForce GT 645 OEM

VS

Radeon Instinct MI325X

Graphics Card

Apr 2012

Release Date

Oct 2024

GeForce 600

Generation

Radeon Instinct(MIx)

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 5.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

2100 MHz

957 MHz

Memory Clock

2525 MHz

Memory

1024MB

Memory Size

288GB

GDDR5

Memory Type

HBM3e

192bit

Memory Bus

8192bit

91.87GB/s

Bandwidth

10.3TB/s

Render Config

-

Compute Units

304

6

SM Count

-

288

Shading Units

19456

48

TMUs

1216

24

ROPs

0

-

Tensor Cores

1216

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

16 MB

-

L3 Cache

256 MB

Theoretical Performance

9.312 GPixel/s

Pixel Rate

0 MPixel/s

37.25 GTexel/s

Texture Rate

2554 GTexel/s

-

FP16 (half)

653.7 TFLOPS

894.0 GFLOPS

FP32 (float)

81.72 TFLOPS

74.50 GFLOPS

FP64 (double)

81.72 TFLOPS

Board Design

102W

TDP

750W

300 W

Suggested PSU

1150 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

Aqua Vanjaram

-

Fermi 2.0

Architecture

CDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.95 billion

Transistors

153 billion

332 mm²

Die Size

1017 mm²

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

1.1

OpenCL

3.0

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

N/A

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