NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA GeForce RTX 2060 TU104

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA GeForce RTX 2060 TU104

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 6GB VRAM GeForce RTX 2060 TU104 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 160W)

NVIDIA GeForce RTX 2060 TU104 's Advantages

Released 7 years and 9 months late

Boost Clock1680MHz

More VRAM (6GB vs 1536GB)

Larger VRAM bandwidth (336.0GB/s vs 38.40GB/s)

1776 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

GeForce RTX 2060 TU104 +1454%

6.451 TFLOPS

GeForce GT 640 OEM Rebrand

VS

GeForce RTX 2060 TU104

Graphics Card

Apr 2012

Release Date

Jan 2020

GeForce 600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1680 MHz

800 MHz

Memory Clock

1750 MHz

Memory

1536MB

Memory Size

6GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

192bit

38.40GB/s

Bandwidth

336.0GB/s

Render Config

-

3

SM Count

30

144

Shading Units

1920

24

TMUs

120

24

ROPs

48

-

Tensor Cores

240

-

RT Cores

30

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

3 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

80.64 GPixel/s

17.28 GTexel/s

Texture Rate

201.6 GTexel/s

-

FP16 (half)

12.90 TFLOPS

414.7 GFLOPS

FP32 (float)

6.451 TFLOPS

34.56 GFLOPS

FP64 (double)

201.6 GFLOPS

Board Design

75W

TDP

160W

250 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 2.0 2x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

1x 8-pin

Graphics Processor

GF116

GPU Name

TU104

GF116-150-A1

GPU Variant

TU104-150-KC-A1

Fermi 2.0

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.17 billion

Transistors

13.6 billion

238 mm²

Die Size

545 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

7.5

5.1

Shader Model

6.6

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