NVIDIA GeForce GT 645 OEM vs NVIDIA T1000

VS

NVIDIA GeForce GT 645 OEM

NVIDIA T1000

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 4GB VRAM T1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T1000 's Advantages

Released 9 years and 1 months late

Boost Clock1395MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 91.87GB/s)

608 additional rendering cores

Lower TDP (50W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

T1000 +179%

2.5 TFLOPS

GeForce GT 645 OEM

VS

T1000

Graphics Card

Apr 2012

Release Date

May 2021

GeForce 600

Generation

Quadro

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1065 MHz

-

Boost Clock

1395 MHz

957 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

128bit

91.87GB/s

Bandwidth

160.0GB/s

Render Config

-

6

SM Count

14

288

Shading Units

896

48

TMUs

56

24

ROPs

32

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

44.64 GPixel/s

37.25 GTexel/s

Texture Rate

78.12 GTexel/s

-

FP16 (half)

5.000 TFLOPS

894.0 GFLOPS

FP32 (float)

2.500 TFLOPS

74.50 GFLOPS

FP64 (double)

78.12 GFLOPS

Board Design

102W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x mini-DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

TU117

-

Fermi 2.0

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.95 billion

Transistors

4.7 billion

332 mm²

Die Size

200 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

7.5

5.1

Shader Model

6.6

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