NVIDIA GeForce GT 640 OEM Rebrand vs NVIDIA T1000 8 GB

VS

NVIDIA GeForce GT 640 OEM Rebrand

NVIDIA T1000 8 GB

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand and 8GB VRAM T1000 8 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA T1000 8 GB 's Advantages

Released 9 years and 1 months late

Boost Clock1395MHz

More VRAM (8GB vs 1536GB)

Larger VRAM bandwidth (160.0GB/s vs 38.40GB/s)

752 additional rendering cores

Lower TDP (50W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand

0.415 TFLOPS

T1000 8 GB +502%

2.5 TFLOPS

GeForce GT 640 OEM Rebrand

VS

T1000 8 GB

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

800 MHz

Memory Clock

1250 MHz

Memory

1536MB

Memory Size

8GB

DDR3

Memory Type

GDDR6

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

160.0GB/s

Render Config

-

3

SM Count

14

144

Shading Units

896

24

TMUs

56

24

ROPs

32

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

44.64 GPixel/s

17.28 GTexel/s

Texture Rate

78.12 GTexel/s

-

FP16 (half)

5.000 TFLOPS

414.7 GFLOPS

FP32 (float)

2.500 TFLOPS

34.56 GFLOPS

FP64 (double)

78.12 GFLOPS

Board Design

75W

TDP

50W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

GF116

GPU Name

TU117

GF116-150-A1

GPU Variant

-

Fermi 2.0

Architecture

Turing

TSMC

Foundry

TSMC

40 nm

Process Size

12 nm

1.17 billion

Transistors

4.7 billion

238 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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