NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA GeForce GTX 1080 11Gbps

NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 8GB VRAM GeForce GTX 1080 11Gbps and 2GB VRAM GeForce GT 640 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1080 11Gbps 's Advantages

Released 5 years late

Boost Clock1733MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.3GB/s vs 28.51GB/s)

2176 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 180W)

Score

Benchmark

FP32 (float)

GeForce GTX 1080 11Gbps +1349%

8.873 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

GeForce GTX 1080 11Gbps

VS

GeForce GT 640 OEM

Graphics Card

Apr 2017

Release Date

Apr 2012

GeForce 10

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1607 MHz

Base Clock

-

1733 MHz

Boost Clock

-

1376 MHz

Memory Clock

891 MHz

Memory

8GB

Memory Size

2GB

GDDR5X

Memory Type

DDR3

256bit

Memory Bus

128bit

352.3GB/s

Bandwidth

28.51GB/s

Render Config

-

20

SM Count

-

2560

Shading Units

384

160

TMUs

32

64

ROPs

16

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

110.9 GPixel/s

Pixel Rate

6.376 GPixel/s

277.3 GTexel/s

Texture Rate

25.50 GTexel/s

138.6 GFLOPS

FP16 (half)

-

8.873 TFLOPS

FP32 (float)

612.1 GFLOPS

277.3 GFLOPS

FP64 (double)

25.50 GFLOPS

Board Design

180W

TDP

50W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

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

1x 8-pin

Power Connectors

None

Graphics Processor

GP104

GPU Name

GK107

GP104-410-A1

GPU Variant

GK107-320-A2

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

7.2 billion

Transistors

1.27 billion

314 mm²

Die Size

118 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

6.1

CUDA

3.0

6.4

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon R5 240 OEM

2

NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA L20

3

NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA GeForce 9600 GSO 512

4

NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA T1000 8 GB

5

NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA GeForce GTX 460 SE v2

6

NVIDIA GeForce GTX 1080 11Gbps vs AMD Radeon RX 560 XT

7

NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA GeForce GTX 1060 3 GB GP104

8

NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA GeForce 7950 GT AGP

9

NVIDIA GeForce GTX 1080 11Gbps vs NVIDIA GeForce 9600 GT Mac Edition

10

NVIDIA GeForce GTX 1080 11Gbps vs ATI Radeon HD 2900 XTX

Related News

1

CXMT Reportedly Achieves 80% Yield in DDR5 Production

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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