NVIDIA A16 PCIe vs NVIDIA GeForce GT 640

VS

NVIDIA A16 PCIe

NVIDIA GeForce GT 640

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

Main Differences

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

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

A16 PCIe +526%

4.339 TFLOPS

GeForce GT 640

0.693 TFLOPS

Blender

A16 PCIe +1493%

510

GeForce GT 640

32

A16 PCIe

VS

GeForce GT 640

Graphics Card

Apr 2021

Release Date

Jun 2012

Tesla

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

885 MHz

Base Clock

-

1695 MHz

Boost Clock

-

1812 MHz

Memory Clock

891 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

128bit

Memory Bus

128bit

231.9GB/s

Bandwidth

28.51GB/s

Render Config

-

10

SM Count

-

1280

Shading Units

384

40

TMUs

32

ROPs

16

40

Tensor Cores

-

10

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

54.24 GPixel/s

Pixel Rate

7.216 GPixel/s

67.80 GTexel/s

Texture Rate

28.86 GTexel/s

4.339 TFLOPS

FP16 (half)

-

4.339 TFLOPS

FP32 (float)

692.7 GFLOPS

135.6 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

No outputs

Outputs

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

8-pin EPS

Power Connectors

None

Graphics Processor

GA107

GPU Name

GK107

-

GPU Variant

GK107-300-A2

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

Unknown

Transistors

1.27 billion

Unknown

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

8.6

CUDA

3.0

6.6

Shader Model

5.1

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