NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 4050

VS

NVIDIA GeForce GT 640

NVIDIA GeForce RTX 4050

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 6GB VRAM GeForce RTX 4050 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 100W)

NVIDIA GeForce RTX 4050 's Advantages

Boost Clock2640MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (216.0GB/s vs 28.51GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

GeForce RTX 4050 +1850%

13.52 TFLOPS

GeForce GT 640

VS

GeForce RTX 4050

Graphics Card

Jun 2012

Release Date

Unknown

GeForce 600

Generation

GeForce 40

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2505 MHz

-

Boost Clock

2640 MHz

891 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

6GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

96bit

28.51GB/s

Bandwidth

216.0GB/s

Render Config

-

SM Count

18

384

Shading Units

2560

32

TMUs

80

16

ROPs

32

-

Tensor Cores

120

-

RT Cores

18

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

32 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

84.48 GPixel/s

28.86 GTexel/s

Texture Rate

211.2 GTexel/s

-

FP16 (half)

13.52 TFLOPS

692.7 GFLOPS

FP32 (float)

13.52 TFLOPS

28.86 GFLOPS

FP64 (double)

211.2 GFLOPS

Board Design

65W

TDP

100W

250 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 12-pin

Graphics Processor

GK107

GPU Name

AD107

GK107-300-A2

GPU Variant

-

Kepler

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

1.27 billion

Transistors

18.9 billion

118 mm²

Die Size

159 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.9

5.1

Shader Model

6.7

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