NVIDIA GeForce RTX 3080 Ti vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce RTX 3080 Ti

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 2GB VRAM GeForce GT 640 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 's Advantages

Released 8 years and 11 months late

Boost Clock1665MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (912.4GB/s vs 28.51GB/s)

9856 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti +4820%

34.1 TFLOPS

GeForce GT 640

0.693 TFLOPS

GeForce RTX 3080 Ti

VS

GeForce GT 640

Graphics Card

May 2021

Release Date

Jun 2012

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1365 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1188 MHz

Memory Clock

891 MHz

Memory

12GB

Memory Size

2GB

GDDR6X

Memory Type

DDR3

384bit

Memory Bus

128bit

912.4GB/s

Bandwidth

28.51GB/s

Render Config

-

80

SM Count

-

10240

Shading Units

384

320

TMUs

32

112

ROPs

16

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

256 KB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

7.216 GPixel/s

532.8 GTexel/s

Texture Rate

28.86 GTexel/s

34.10 TFLOPS

FP16 (half)

-

34.10 TFLOPS

FP32 (float)

692.7 GFLOPS

532.8 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

350W

TDP

65W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-pin

Power Connectors

None

Graphics Processor

GA102

GPU Name

GK107

GA102-225-A1

GPU Variant

GK107-300-A2

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

28.3 billion

Transistors

1.27 billion

628 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.6

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce RTX 3080 Ti vs ATI FirePro 2450 Multi View

2

NVIDIA GeForce RTX 3080 Ti vs AMD Radeon R7 265

3

NVIDIA GeForce RTX 3080 Ti vs AMD Radeon RX 590 GME

4

NVIDIA GeForce RTX 3080 Ti vs NVIDIA A16 PCIe

5

NVIDIA GeForce RTX 3080 Ti vs NVIDIA GeForce GTX 970

6

NVIDIA GeForce RTX 3080 Ti vs AMD Radeon R5 330 OEM

7

NVIDIA GeForce RTX 3080 Ti vs NVIDIA GeForce RTX 3050 8 GB GA107

8

NVIDIA GeForce RTX 3080 Ti vs AMD Radeon HD 6850

9

NVIDIA GeForce RTX 3080 Ti vs NVIDIA GeForce GT 220 OEM

10

NVIDIA GeForce RTX 3080 Ti vs AMD Radeon R5 340 OEM

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game