NVIDIA GeForce GT 640 OEM vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA GeForce GT 640 OEM NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 OEM and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM 's Advantages

More VRAM (2GB vs 1GB)

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 1 years and 1 months late

Larger VRAM bandwidth (40.06GB/s vs 28.51GB/s)

Lower TDP (49W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM

0.612 TFLOPS

GeForce GT 640 Rev. 2 +31%

0.803 TFLOPS

GeForce GT 640 OEM

VS

GeForce GT 640 Rev. 2

Graphics Card

Apr 2012

Release Date

May 2013

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

891 MHz

Memory Clock

1252 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.51GB/s

Bandwidth

40.06GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

384

32

TMUs

32

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.376 GPixel/s

Pixel Rate

8.368 GPixel/s

25.50 GTexel/s

Texture Rate

33.47 GTexel/s

-

FP16 (half)

-

612.1 GFLOPS

FP32 (float)

803.3 GFLOPS

25.50 GFLOPS

FP64 (double)

33.47 GFLOPS

Graphics Processor

GK107

GPU Name

GK208

GK107-320-A2

GPU Variant

GK208-400-A1

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.02 billion

118 mm²

Die Size

87 mm²

Board Design

50W

TDP

49W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.5

5.1

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA GeForce GT 720 vs NVIDIA GeForce GT 640 OEM

2

NVIDIA GeForce GT 640 OEM vs NVIDIA GeForce GT 430

3

NVIDIA GeForce GT 640 OEM vs ATI Radeon HD 4860

4

NVIDIA GeForce GT 640 OEM vs AMD Radeon R9 290X

5

NVIDIA GeForce GT 640 OEM vs AMD Radeon RX 560D

6

NVIDIA GeForce GT 640 OEM vs NVIDIA GeForce GT 545

7

NVIDIA GeForce GT 640 OEM vs ATI Radeon HD 3690

8

NVIDIA GeForce GT 640 OEM vs NVIDIA GeForce GTX 555 OEM

9

NVIDIA GeForce GT 640 OEM vs AMD Radeon RX 550 640SP

10

NVIDIA GeForce GT 640 OEM vs NVIDIA GeForce GTX 1060 3 GB GP104

Related News

1

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

2

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

3

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

4

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

5

AMD's Latest Breakthrough Technology Could Change the Game in the Future

6

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

7

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

8

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

9

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

10

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience