NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA RTX 4500 Ada Generation

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA RTX 4500 Ada Generation

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 24GB VRAM RTX 4500 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 210W)

NVIDIA RTX 4500 Ada Generation 's Advantages

Released 11 years and 4 months late

Boost Clock2580MHz

More VRAM (24GB vs 1536GB)

Larger VRAM bandwidth (432.0GB/s vs 38.40GB/s)

7536 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

RTX 4500 Ada Generation +9449%

39.63 TFLOPS

GeForce GT 640 OEM Rebrand

VS

RTX 4500 Ada Generation

Graphics Card

Apr 2012

Release Date

Aug 2023

GeForce 600

Generation

Quadro Ada

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2070 MHz

-

Boost Clock

2580 MHz

800 MHz

Memory Clock

2250 MHz

Memory

1536MB

Memory Size

24GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

192bit

38.40GB/s

Bandwidth

432.0GB/s

Render Config

-

3

SM Count

60

144

Shading Units

7680

24

TMUs

240

24

ROPs

80

-

Tensor Cores

240

-

RT Cores

60

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

48 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

206.4 GPixel/s

17.28 GTexel/s

Texture Rate

619.2 GTexel/s

-

FP16 (half)

39.63 TFLOPS

414.7 GFLOPS

FP32 (float)

39.63 TFLOPS

34.56 GFLOPS

FP64 (double)

619.2 GFLOPS

Board Design

75W

TDP

210W

250 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

AD103

GF116-150-A1

GPU Variant

-

Fermi 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.17 billion

Transistors

45.9 billion

238 mm²

Die Size

379 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

8.9

5.1

Shader Model

6.7

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