NVIDIA GeForce GTX 645 OEM vs NVIDIA RTX A5000-8Q

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA RTX A5000-8Q

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 8GB VRAM RTX A5000 8Q 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 230W)

NVIDIA RTX A5000-8Q 's Advantages

Released 8 years late

Boost Clock1695MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (768.0GB/s vs 64.00GB/s)

7616 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

RTX A5000 8Q +2826%

27.77 TFLOPS

GeForce GTX 645 OEM

VS

RTX A5000 8Q

Graphics Card

Apr 2013

Release Date

Apr 2021

GeForce 600

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1170 MHz

-

Boost Clock

1695 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

384bit

64.00GB/s

Bandwidth

768.0GB/s

Render Config

-

SM Count

64

576

Shading Units

8192

48

TMUs

256

16

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

162.7 GPixel/s

39.55 GTexel/s

Texture Rate

433.9 GTexel/s

-

FP16 (half)

27.77 TFLOPS

949.2 GFLOPS

FP32 (float)

27.77 TFLOPS

39.55 GFLOPS

FP64 (double)

433.9 GFLOPS

Board Design

65W

TDP

230W

250 W

Suggested PSU

550 W

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

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

GK106

GPU Name

GA102

GK106-200-A1

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

2.54 billion

Transistors

28.3 billion

221 mm²

Die Size

628 mm²

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

6.7

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