NVIDIA TITAN X Pascal vs NVIDIA GeForce GT 640 OEM

VS

NVIDIA TITAN X Pascal NVIDIA GeForce GT 640 OEM

We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal 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 TITAN X Pascal 's Advantages

Released 4 years and 4 months late

Boost Clock1531MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (480.4GB/s vs 28.51GB/s)

3200 additional rendering cores

NVIDIA GeForce GT 640 OEM 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

TITAN X Pascal +1692%

10.97 TFLOPS

GeForce GT 640 OEM

0.612 TFLOPS

TITAN X Pascal

VS

GeForce GT 640 OEM

Graphics Card

Aug 2016

Release Date

Apr 2012

GeForce 10

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1417 MHz

Base Clock

-

1531 MHz

Boost Clock

-

1251 MHz

Memory Clock

891 MHz

Memory

12GB

Memory Size

2GB

GDDR5X

Memory Type

DDR3

384bit

Memory Bus

128bit

480.4GB/s

Bandwidth

28.51GB/s

Render Config

28

SM Count

-

Compute Units

-

3584

Shading Units

384

224

TMUs

32

96

ROPs

16

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

256 KB

Theoretical Performance

147.0 GPixel/s

Pixel Rate

6.376 GPixel/s

342.9 GTexel/s

Texture Rate

25.50 GTexel/s

171.5 GFLOPS

FP16 (half)

-

10.97 TFLOPS

FP32 (float)

612.1 GFLOPS

342.9 GFLOPS

FP64 (double)

25.50 GFLOPS

Graphics Processor

GP102

GPU Name

GK107

GP102-400-A1

GPU Variant

GK107-320-A2

Pascal

Architecture

Kepler

TSMC

Foundry

TSMC

16 nm

Process Size

28 nm

11.8 billion

Transistors

1.27 billion

471 mm²

Die Size

118 mm²

Board Design

250W

TDP

50W

600 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 6-pin + 1x 8-pin

Power Connectors

None

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

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