NVIDIA T1000 8 GB vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA T1000 8 GB NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 8GB VRAM T1000 8 GB and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T1000 8 GB 's Advantages

Released 8 years late

Boost Clock1395MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 40.06GB/s)

512 additional rendering cores

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Lower TDP (49W vs 50W)

Score

Benchmark

FP32 (float)

T1000 8 GB +211%

2.5 TFLOPS

GeForce GT 640 Rev. 2

0.803 TFLOPS

T1000 8 GB

VS

GeForce GT 640 Rev. 2

Graphics Card

May 2021

Release Date

May 2013

Quadro

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

1065 MHz

Base Clock

-

1395 MHz

Boost Clock

-

1250 MHz

Memory Clock

1252 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

64bit

160.0GB/s

Bandwidth

40.06GB/s

Render Config

14

SM Count

-

Compute Units

-

896

Shading Units

384

56

TMUs

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

512 KB

Theoretical Performance

44.64 GPixel/s

Pixel Rate

8.368 GPixel/s

78.12 GTexel/s

Texture Rate

33.47 GTexel/s

5.000 TFLOPS

FP16 (half)

-

2.500 TFLOPS

FP32 (float)

803.3 GFLOPS

78.12 GFLOPS

FP64 (double)

33.47 GFLOPS

Graphics Processor

TU117

GPU Name

GK208

-

GPU Variant

GK208-400-A1

Turing

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

4.7 billion

Transistors

1.02 billion

200 mm²

Die Size

87 mm²

Board Design

50W

TDP

49W

250 W

Suggested PSU

200 W

4x mini-DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

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

3.5

6.6

Shader Model

5.1

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