NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 2080 SUPER

VS

NVIDIA GeForce GT 640

NVIDIA GeForce RTX 2080 SUPER

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 8GB VRAM GeForce RTX 2080 SUPER 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 250W)

NVIDIA GeForce RTX 2080 SUPER 's Advantages

Released 7 years and 1 months late

Boost Clock1815MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (495.9GB/s vs 28.51GB/s)

2688 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

GeForce RTX 2080 SUPER +1508%

11.15 TFLOPS

GeForce GT 640

VS

GeForce RTX 2080 SUPER

Graphics Card

Jun 2012

Release Date

Jul 2019

GeForce 600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1650 MHz

-

Boost Clock

1815 MHz

891 MHz

Memory Clock

1937 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

495.9GB/s

Render Config

-

SM Count

48

384

Shading Units

3072

32

TMUs

192

16

ROPs

64

-

Tensor Cores

384

-

RT Cores

48

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

4 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

116.2 GPixel/s

28.86 GTexel/s

Texture Rate

348.5 GTexel/s

-

FP16 (half)

22.30 TFLOPS

692.7 GFLOPS

FP32 (float)

11.15 TFLOPS

28.86 GFLOPS

FP64 (double)

348.5 GFLOPS

Board Design

65W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK107

GPU Name

TU104

GK107-300-A2

GPU Variant

TU104-450-A1

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

1.27 billion

Transistors

13.6 billion

118 mm²

Die Size

545 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

7.5

5.1

Shader Model

6.6

Related GPU Comparisons

1

NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 950 OEM

2

NVIDIA GeForce GT 640 vs AMD FirePro RG220

3

NVIDIA GeForce GT 640 vs NVIDIA GeForce 210 Rev. 2

4

NVIDIA GeForce GT 640 vs NVIDIA CMP 30HX

5

NVIDIA GeForce GT 640 vs NVIDIA GeForce 8400 GS PCI

6

NVIDIA GeForce GT 640 vs NVIDIA GeForce GTX 1660

7

NVIDIA GeForce GT 640 vs ATI FirePro V3700

8

NVIDIA GeForce GT 640 vs AMD Radeon HD 6770 Green Edition

9

NVIDIA GeForce GT 640 vs NVIDIA P102 101

10

NVIDIA GeForce GT 640 vs NVIDIA GeForce 8600 GTS

Related News

1

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

2

CXMT Reportedly Achieves 80% Yield in DDR5 Production

3

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

4

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

5

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

6

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

7

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

8

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

9

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

10

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