NVIDIA TITAN V vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA TITAN V NVIDIA GeForce GT 640 OEM Rebrand

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

Main Differences

NVIDIA TITAN V 's Advantages

Released 5 years and 8 months late

Boost Clock1455MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (651.3GB/s vs 38.40GB/s)

4976 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

TITAN V +3490%

14.9 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

TITAN V

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Dec 2017

Release Date

Apr 2012

GeForce 10

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1200 MHz

Base Clock

-

1455 MHz

Boost Clock

-

848 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

1536MB

HBM2

Memory Type

DDR3

3072bit

Memory Bus

192bit

651.3GB/s

Bandwidth

38.40GB/s

Render Config

80

SM Count

3

-

Compute Units

-

5120

Shading Units

144

320

TMUs

24

96

ROPs

24

640

Tensor Cores

-

RT Cores

-

96 KB (per SM)

L1 Cache

64 KB (per SM)

0 MB

L2 Cache

384 KB

Theoretical Performance

139.7 GPixel/s

Pixel Rate

4.320 GPixel/s

465.6 GTexel/s

Texture Rate

17.28 GTexel/s

29.80 TFLOPS

FP16 (half)

-

14.90 TFLOPS

FP32 (float)

414.7 GFLOPS

7.450 TFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

GV100

GPU Name

GF116

GV100-400-A1

GPU Variant

GF116-150-A1

Volta

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

40 nm

21.1 billion

Transistors

1.17 billion

815 mm²

Die Size

238 mm²

Board Design

250W

TDP

75W

600 W

Suggested PSU

250 W

1x HDMI 2.0 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

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

1.1

1.3

Vulkan

N/A

7.0

CUDA

2.1

6.6

Shader Model

5.1

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