NVIDIA RTX A4000H vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA RTX A4000H

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 9 years late

Boost Clock1560MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 91.87GB/s)

5856 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000H +2044%

19.17 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

RTX A4000H

VS

GeForce GT 645 OEM

Graphics Card

Apr 2021

Release Date

Apr 2012

Quadro Ampere

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

735 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1750 MHz

Memory Clock

957 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

91.87GB/s

Render Config

-

48

SM Count

6

6144

Shading Units

288

192

TMUs

48

96

ROPs

24

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

9.312 GPixel/s

299.5 GTexel/s

Texture Rate

37.25 GTexel/s

19.17 TFLOPS

FP16 (half)

-

19.17 TFLOPS

FP32 (float)

894.0 GFLOPS

299.5 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

140W

TDP

102W

300 W

Suggested PSU

300 W

4x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

-

Graphics Processor

GA104

GPU Name

GF114

GA104-???-A1

GPU Variant

-

Ampere

Architecture

Fermi 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

17.4 billion

Transistors

1.95 billion

392 mm²

Die Size

332 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.7

Shader Model

5.1

Related GPU Comparisons

1

NVIDIA RTX A4000H vs NVIDIA GeForce GT 630 Rev. 2

2

NVIDIA RTX A4000H vs NVIDIA GeForce GT 1010 DDR4

3

NVIDIA RTX A4000H vs AMD Radeon Sky 500

4

NVIDIA RTX A4000H vs AMD FirePro RG220

5

NVIDIA RTX A4000H vs ATI Radeon X1550 AGP

6

NVIDIA RTX A4000H vs NVIDIA GeForce GT 130 Mac Edition

7

NVIDIA RTX A4000H vs ATI FirePro V9800

8

NVIDIA RTX A4000H vs ATI Radeon HD 4650

9

NVIDIA RTX A4000H vs ATI Radeon HD 4730

10

NVIDIA RTX A4000H vs ATI FireMV 2250 PCIe x1

Related News

1

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

2

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

3

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

4

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

5

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

6

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

7

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

8

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

9

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game