AMD Radeon Instinct MI325X vs NVIDIA GeForce GT 640 OEM Rebrand

VS

AMD Radeon Instinct MI325X

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 288GB VRAM Radeon Instinct MI325X and 1536MB VRAM GeForce GT 640 OEM Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI325X 's Advantages

Released 12 years and 6 months late

Boost Clock2100MHz

More VRAM (288GB vs 1536GB)

Larger VRAM bandwidth (10.3TB/s vs 38.40GB/s)

19312 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 750W)

Score

Benchmark

FP32 (float)

Radeon Instinct MI325X +19591%

81.72 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

Radeon Instinct MI325X

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Oct 2024

Release Date

Apr 2012

Radeon Instinct(MIx)

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

2100 MHz

Boost Clock

-

2525 MHz

Memory Clock

800 MHz

Memory

288GB

Memory Size

1536MB

HBM3e

Memory Type

DDR3

8192bit

Memory Bus

192bit

10.3TB/s

Bandwidth

38.40GB/s

Render Config

304

Compute Units

-

SM Count

3

19456

Shading Units

144

1216

TMUs

24

0

ROPs

24

1216

Tensor Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

16 MB

L2 Cache

384 KB

256 MB

L3 Cache

-

Theoretical Performance

0 MPixel/s

Pixel Rate

4.320 GPixel/s

2554 GTexel/s

Texture Rate

17.28 GTexel/s

653.7 TFLOPS

FP16 (half)

-

81.72 TFLOPS

FP32 (float)

414.7 GFLOPS

81.72 TFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

750W

TDP

75W

1150 W

Suggested PSU

250 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

Aqua Vanjaram

GPU Name

GF116

-

GPU Variant

GF116-150-A1

CDNA 3.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

153 billion

Transistors

1.17 billion

1017 mm²

Die Size

238 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

N/A

Shader Model

5.1

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