NVIDIA GeForce GT 640 vs NVIDIA TITAN V CEO Edition

VS

NVIDIA GeForce GT 640

NVIDIA TITAN V CEO Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 32GB VRAM TITAN V CEO Edition 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 CEO Edition 's Advantages

Released 6 years late

Boost Clock1455MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (868.4GB/s vs 28.51GB/s)

4736 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

TITAN V CEO Edition +2050%

14.9 TFLOPS

Blender

GeForce GT 640

32

TITAN V CEO Edition +6000%

1952

OctaneBench

GeForce GT 640

8

TITAN V CEO Edition +3812%

313

GeForce GT 640

VS

TITAN V CEO Edition

Graphics Card

Jun 2012

Release Date

Jun 2018

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

32GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

4096bit

28.51GB/s

Bandwidth

868.4GB/s

Render Config

-

SM Count

80

384

Shading Units

5120

32

TMUs

320

16

ROPs

128

-

Tensor Cores

640

-

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

186.2 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

-

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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