NVIDIA GeForce GT 640 vs NVIDIA A16 PCIe

VS

NVIDIA GeForce GT 640

NVIDIA A16 PCIe

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 16GB VRAM A16 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 250W)

NVIDIA A16 PCIe 's Advantages

Released 8 years and 10 months late

Boost Clock1695MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (231.9GB/s vs 28.51GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

A16 PCIe +526%

4.339 TFLOPS

Blender

GeForce GT 640

32

A16 PCIe +1493%

510

GeForce GT 640

VS

A16 PCIe

Graphics Card

Jun 2012

Release Date

Apr 2021

GeForce 600

Generation

Tesla

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

885 MHz

-

Boost Clock

1695 MHz

891 MHz

Memory Clock

1812 MHz

Memory

2GB

Memory Size

16GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

128bit

28.51GB/s

Bandwidth

231.9GB/s

Render Config

-

SM Count

10

384

Shading Units

1280

32

TMUs

40

16

ROPs

32

-

Tensor Cores

40

-

RT Cores

10

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

54.24 GPixel/s

28.86 GTexel/s

Texture Rate

67.80 GTexel/s

-

FP16 (half)

4.339 TFLOPS

692.7 GFLOPS

FP32 (float)

4.339 TFLOPS

28.86 GFLOPS

FP64 (double)

135.6 GFLOPS

Board Design

65W

TDP

250W

250 W

Suggested PSU

600 W

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

Outputs

No outputs

None

Power Connectors

8-pin EPS

Graphics Processor

GK107

GPU Name

GA107

GK107-300-A2

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.27 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

8.6

5.1

Shader Model

6.6

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