NVIDIA TITAN Xp vs NVIDIA GeForce GT 640 OEM Rebrand

VS

NVIDIA TITAN Xp NVIDIA GeForce GT 640 OEM Rebrand

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

Released 5 years late

Boost Clock1582MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (547.6GB/s vs 38.40GB/s)

3696 additional rendering cores

NVIDIA GeForce GT 640 OEM Rebrand 's Advantages

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

TITAN Xp +2827%

12.15 TFLOPS

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

TITAN Xp

VS

GeForce GT 640 OEM Rebrand

Graphics Card

Apr 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

1405 MHz

Base Clock

-

1582 MHz

Boost Clock

-

1426 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

1536MB

GDDR5X

Memory Type

DDR3

384bit

Memory Bus

192bit

547.6GB/s

Bandwidth

38.40GB/s

Render Config

30

SM Count

3

-

Compute Units

-

3840

Shading Units

144

240

TMUs

24

96

ROPs

24

-

Tensor Cores

-

RT Cores

-

48 KB (per SM)

L1 Cache

64 KB (per SM)

3 MB

L2 Cache

384 KB

Theoretical Performance

151.9 GPixel/s

Pixel Rate

4.320 GPixel/s

379.7 GTexel/s

Texture Rate

17.28 GTexel/s

189.8 GFLOPS

FP16 (half)

-

12.15 TFLOPS

FP32 (float)

414.7 GFLOPS

379.7 GFLOPS

FP64 (double)

34.56 GFLOPS

Graphics Processor

GP102

GPU Name

GF116

GP102-450-A1

GPU Variant

GF116-150-A1

Pascal

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

16 nm

Process Size

40 nm

11.8 billion

Transistors

1.17 billion

471 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

6.1

CUDA

2.1

6.4

Shader Model

5.1

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