NVIDIA A16 PCIe vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA A16 PCIe

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 16GB VRAM A16 PCIe 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 A16 PCIe 's Advantages

Released 8 years late

Boost Clock1695MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (231.9GB/s vs 64.00GB/s)

704 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

A16 PCIe +357%

4.339 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

A16 PCIe

VS

GeForce GTX 645 OEM

Graphics Card

Apr 2021

Release Date

Apr 2013

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

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

231.9GB/s

Bandwidth

64.00GB/s

Render Config

-

10

SM Count

-

1280

Shading Units

576

40

TMUs

48

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

9.888 GPixel/s

67.80 GTexel/s

Texture Rate

39.55 GTexel/s

4.339 TFLOPS

FP16 (half)

-

4.339 TFLOPS

FP32 (float)

949.2 GFLOPS

135.6 GFLOPS

FP64 (double)

39.55 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

GK106

-

GPU Variant

GK106-200-A1

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

Unknown

Transistors

2.54 billion

Unknown

Die Size

221 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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