NVIDIA GeForce GTX 1650 GDDR6 vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA GeForce GTX 1650 GDDR6

NVIDIA GeForce GT 640 OEM Rebrand

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 1650 GDDR6 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 GTX 1650 GDDR6 's Advantages

Released 8 years late

Boost Clock1590MHz

More VRAM (4GB vs 1536GB)

Larger VRAM bandwidth (192.0GB/s vs 38.40GB/s)

752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1650 GDDR6 +586%

2.849 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce GTX 1650 GDDR6

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Apr 2020

Release Date

Apr 2012

GeForce 16

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1410 MHz

Base Clock

-

1590 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1536MB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

192bit

192.0GB/s

Bandwidth

38.40GB/s

Render Config

-

14

SM Count

3

896

Shading Units

144

56

TMUs

24

32

ROPs

24

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

50.88 GPixel/s

Pixel Rate

4.320 GPixel/s

89.04 GTexel/s

Texture Rate

17.28 GTexel/s

5.699 TFLOPS

FP16 (half)

-

2.849 TFLOPS

FP32 (float)

414.7 GFLOPS

89.04 GFLOPS

FP64 (double)

34.56 GFLOPS

Board Design

75W

TDP

75W

250 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 1x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

None

Graphics Processor

TU117

GPU Name

GF116

TU117-300-A1

GPU Variant

GF116-150-A1

Turing

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

4.7 billion

Transistors

1.17 billion

200 mm²

Die Size

238 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

7.5

CUDA

2.1

6.6

Shader Model

5.1

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