NVIDIA GeForce RTX 4090 Ti vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA GeForce RTX 4090 Ti NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti 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

NVIDIA GeForce RTX 4090 Ti 's Advantages

Boost Clock2565MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (1152GB/s vs 38.40GB/s)

18032 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +22367%

93.24 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce RTX 4090 Ti

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Unknown

Release Date

Apr 2012

GeForce 40

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2325 MHz

Base Clock

-

2565 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

24GB

Memory Size

1536MB

GDDR6X

Memory Type

DDR3

384bit

Memory Bus

192bit

1152GB/s

Bandwidth

38.40GB/s

Render Config

142

SM Count

3

-

Compute Units

-

18176

Shading Units

144

568

TMUs

24

192

ROPs

24

568

Tensor Cores

-

142

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

96 MB

L2 Cache

384 KB

Theoretical Performance

492.5 GPixel/s

Pixel Rate

4.320 GPixel/s

1457 GTexel/s

Texture Rate

17.28 GTexel/s

93.24 TFLOPS

FP16 (half)

-

93.24 TFLOPS

FP32 (float)

414.7 GFLOPS

1457 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

AD102

GPU Name

GF116

AD102-400-A1

GPU Variant

GF116-150-A1

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

76.3 billion

Transistors

1.17 billion

609 mm²

Die Size

238 mm²

Board Design

600W

TDP

75W

1000 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 16-pin

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.9

CUDA

2.1

6.7

Shader Model

5.1

Related GPU Comparisons

1

H200 SXM vs NVIDIA GeForce RTX 4090 Ti

2

NVIDIA GeForce RTX 4090 Ti vs NVIDIA RTX 5000 Ada Generation

3

NVIDIA GeForce RTX 4090 Ti vs NVIDIA L40S

4

NVIDIA GeForce RTX 4090 Ti vs NVIDIA RTX A5000

5

NVIDIA GeForce RTX 4090 Ti vs NVIDIA RTX 4000 Ada Generation

6

AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 4090 Ti

7

NVIDIA A40 PCIe vs NVIDIA GeForce RTX 4090 Ti

8

NVIDIA GeForce RTX 4090 Ti vs NVIDIA GeForce RTX 4070 AD103

9

NVIDIA GeForce RTX 4090 Ti vs ATI Radeon HD 3610

10

NVIDIA GeForce RTX 4090 Ti vs NVIDIA GeForce 9300 GE

Related News

1

NVIDIA Informs Brands of Reduced Supply for RTX 40 Series GPUs

2

Only 3 Weeks Left! AMD Zen5 Launching Soon

3

Ilya Departs OpenAI to Launch New Company Aiming at Superintelligence!

4

Comprehensive Overview of AMD Ryzen 9000 Zen5 Desktop CPUs

5

Intel May Increase Base Frequencies for Arrow Lake-S / H / HX, High-End Chips to Reach 3GHz or Higher

6

It's 2024: This Company Released a Laptop Supporting DOS and Windows 95

7

AMD's Strix Halo Supports Up to 128GB Memory, Clearly Designed for AI Large Language Models

8

AMD to Launch Advanced Ryzen AI PRO Series Soon

9

Intel Delays Lunar Lake Shipment: Postponed from June to September

10

Initial Test Results of AMD Ryzen AI 9 365 Revealed: IPC Improvement Meets Expectations