NVIDIA GeForce GTX 645 OEM vs NVIDIA A30 PCIe

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA A30 PCIe

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 24GB VRAM A30 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 165W)

NVIDIA A30 PCIe 's Advantages

Released 8 years late

Boost Clock1440MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (933.1GB/s vs 64.00GB/s)

3008 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

A30 PCIe +987%

10.32 TFLOPS

GeForce GTX 645 OEM

VS

A30 PCIe

Graphics Card

Apr 2013

Release Date

Apr 2021

GeForce 600

Generation

Tesla Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

930 MHz

-

Boost Clock

1440 MHz

1000 MHz

Memory Clock

1215 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

HBM2e

128bit

Memory Bus

3072bit

64.00GB/s

Bandwidth

933.1GB/s

Render Config

-

SM Count

56

576

Shading Units

3584

48

TMUs

224

16

ROPs

96

-

Tensor Cores

224

-

16 KB (per SMX)

L1 Cache

192 KB (per SM)

256 KB

L2 Cache

24 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

138.2 GPixel/s

39.55 GTexel/s

Texture Rate

322.6 GTexel/s

-

FP16 (half)

10.32 TFLOPS

949.2 GFLOPS

FP32 (float)

10.32 TFLOPS

39.55 GFLOPS

FP64 (double)

5.161 TFLOPS

Board Design

65W

TDP

165W

250 W

Suggested PSU

450 W

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

Outputs

No outputs

None

Power Connectors

8-pin EPS

Graphics Processor

GK106

GPU Name

GA100

GK106-200-A1

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.54 billion

Transistors

54.2 billion

221 mm²

Die Size

826 mm²

Graphics Features

12 (11_0)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.0

CUDA

8.0

5.1

Shader Model

N/A

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