NVIDIA T1000 vs NVIDIA GeForce GTX 645 OEM

VS

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

Main Differences

NVIDIA T1000 's Advantages

Released 8 years and 1 months late

Boost Clock1395MHz

More VRAM (4GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

320 additional rendering cores

Lower TDP (50W vs 65W)

Score

Benchmark

FP32 (float)

T1000 +163%

2.5 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

T1000

VS

GeForce GTX 645 OEM

Graphics Card

May 2021

Release Date

Apr 2013

Quadro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1065 MHz

Base Clock

-

1395 MHz

Boost Clock

-

1250 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

160.0GB/s

Bandwidth

64.00GB/s

Render Config

14

SM Count

-

Compute Units

-

896

Shading Units

576

56

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

Theoretical Performance

44.64 GPixel/s

Pixel Rate

9.888 GPixel/s

78.12 GTexel/s

Texture Rate

39.55 GTexel/s

5.000 TFLOPS

FP16 (half)

-

2.500 TFLOPS

FP32 (float)

949.2 GFLOPS

78.12 GFLOPS

FP64 (double)

39.55 GFLOPS

Graphics Processor

TU117

GPU Name

GK106

-

GPU Variant

GK106-200-A1

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

4.7 billion

Transistors

2.54 billion

200 mm²

Die Size

221 mm²

Board Design

50W

TDP

65W

250 W

Suggested PSU

250 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

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

7.5

CUDA

3.0

6.6

Shader Model

5.1

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