NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA TITAN X Pascal

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA TITAN X Pascal

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 12GB VRAM TITAN X Pascal to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 250W)

NVIDIA TITAN X Pascal 's Advantages

Released 4 years and 4 months late

Boost Clock1531MHz

More VRAM (12GB vs 1536GB)

Larger VRAM bandwidth (480.4GB/s vs 38.40GB/s)

3440 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

TITAN X Pascal +2543%

10.97 TFLOPS

GeForce GT 640 OEM Rebrand

VS

TITAN X Pascal

Graphics Card

Apr 2012

Release Date

Aug 2016

GeForce 600

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1417 MHz

-

Boost Clock

1531 MHz

800 MHz

Memory Clock

1251 MHz

Memory

1536MB

Memory Size

12GB

DDR3

Memory Type

GDDR5X

192bit

Memory Bus

384bit

38.40GB/s

Bandwidth

480.4GB/s

Render Config

-

3

SM Count

28

144

Shading Units

3584

24

TMUs

224

24

ROPs

96

-

64 KB (per SM)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

3 MB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

147.0 GPixel/s

17.28 GTexel/s

Texture Rate

342.9 GTexel/s

-

FP16 (half)

171.5 GFLOPS

414.7 GFLOPS

FP32 (float)

10.97 TFLOPS

34.56 GFLOPS

FP64 (double)

342.9 GFLOPS

Board Design

75W

TDP

250W

250 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF116

GPU Name

GP102

GF116-150-A1

GPU Variant

GP102-400-A1

Fermi 2.0

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

1.17 billion

Transistors

11.8 billion

238 mm²

Die Size

471 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

6.1

5.1

Shader Model

6.4

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