NVIDIA RTX A4000H vs AMD Radeon RX 6600 XT

VS

NVIDIA RTX A4000H

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (448.0GB/s vs 256.0GB/s)

4096 additional rendering cores

Lower TDP (140W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 66% (2589MHz vs 1560MHz)

Score

Benchmark

FP32 (float)

RTX A4000H +80%

19.17 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

RTX A4000H

VS

Radeon RX 6600 XT

Graphics Card

Apr 2021

Release Date

Jul 2021

Quadro Ampere

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

735 MHz

Base Clock

1968 MHz

1560 MHz

Boost Clock

2589 MHz

1750 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

48

SM Count

-

6144

Shading Units

2048

192

TMUs

128

96

ROPs

64

192

Tensor Cores

-

48

RT Cores

32

128 KB (per SM)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

149.8 GPixel/s

Pixel Rate

165.7 GPixel/s

299.5 GTexel/s

Texture Rate

331.4 GTexel/s

19.17 TFLOPS

FP16 (half)

21.21 TFLOPS

19.17 TFLOPS

FP32 (float)

10.60 TFLOPS

299.5 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

140W

TDP

160W

300 W

Suggested PSU

450 W

4x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

GA104

GPU Name

Navi 23

GA104-???-A1

GPU Variant

Navi 23 XT (215-130000006)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

17.4 billion

Transistors

11.06 billion

392 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

8.6

CUDA

-

6.7

Shader Model

6.7

Related GPU Comparisons

1

NVIDIA RTX A4000H vs AMD Radeon Pro 5700

2

NVIDIA RTX A4000H vs NVIDIA B200 SXM 192 GB

3

NVIDIA RTX A4000H vs AMD Radeon RX 7700

4

NVIDIA RTX A4000H vs AMD Radeon RX 550 512SP

5

NVIDIA RTX A4000H vs NVIDIA GeForce GTX TITAN BLACK

6

NVIDIA RTX A4000H vs NVIDIA GeForce GT 520

7

NVIDIA RTX A4000H vs AMD FireStream 9170

8

NVIDIA RTX A4000H vs NVIDIA GeForce GT 610 OEM

9

NVIDIA RTX A4000H vs NVIDIA GeForce RTX 4070 SUPER

10

NVIDIA RTX A4000H vs AMD Radeon R5 240 OEM

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

World's First! Intel Arc B580 Graphics Card Arrives Early