NVIDIA GeForce GT 640 vs NVIDIA TITAN V

VS

NVIDIA GeForce GT 640

NVIDIA TITAN V

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 12GB VRAM TITAN V 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 TITAN V 's Advantages

Released 5 years and 6 months late

Boost Clock1455MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (651.3GB/s vs 28.51GB/s)

4736 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

TITAN V +2050%

14.9 TFLOPS

GeForce GT 640

VS

TITAN V

Graphics Card

Jun 2012

Release Date

Dec 2017

GeForce 600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1200 MHz

-

Boost Clock

1455 MHz

891 MHz

Memory Clock

848 MHz

Memory

2GB

Memory Size

12GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

3072bit

28.51GB/s

Bandwidth

651.3GB/s

Render Config

-

SM Count

80

384

Shading Units

5120

32

TMUs

320

16

ROPs

96

-

Tensor Cores

640

-

16 KB (per SMX)

L1 Cache

96 KB (per SM)

256 KB

L2 Cache

0 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

139.7 GPixel/s

28.86 GTexel/s

Texture Rate

465.6 GTexel/s

-

FP16 (half)

29.80 TFLOPS

692.7 GFLOPS

FP32 (float)

14.90 TFLOPS

28.86 GFLOPS

FP64 (double)

7.450 TFLOPS

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK107

GPU Name

GV100

GK107-300-A2

GPU Variant

GV100-400-A1

Kepler

Architecture

Volta

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

1.27 billion

Transistors

21.1 billion

118 mm²

Die Size

815 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

7.0

5.1

Shader Model

6.6

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