AMD Radeon RX 6600 XT vs NVIDIA A2

VS

AMD Radeon RX 6600 XT

NVIDIA A2

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 46% (2589MHz vs 1770MHz)

Larger VRAM bandwidth (256.0GB/s vs 200.1GB/s)

768 additional rendering cores

NVIDIA A2 's Advantages

More VRAM (16GB vs 8GB)

Lower TDP (60W vs 160W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +133%

10.6 TFLOPS

A2

4.531 TFLOPS

Blender

Radeon RX 6600 XT +32%

1196

A2

902

Radeon RX 6600 XT

VS

A2

Graphics Card

Jul 2021

Release Date

Nov 2021

Navi II

Generation

Quadro

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1968 MHz

Base Clock

1440 MHz

2589 MHz

Boost Clock

1770 MHz

2000 MHz

Memory Clock

1563 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

200.1GB/s

Render Config

32

Compute Units

-

SM Count

10

2048

Shading Units

1280

128

TMUs

40

64

ROPs

32

-

Tensor Cores

40

32

RT Cores

10

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

2 MB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

56.64 GPixel/s

331.4 GTexel/s

Texture Rate

70.80 GTexel/s

21.21 TFLOPS

FP16 (half)

4.531 TFLOPS

10.60 TFLOPS

FP32 (float)

4.531 TFLOPS

662.8 GFLOPS

FP64 (double)

70.80 GFLOPS

Board Design

160W

TDP

60W

450 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 8-pin

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

GA107

Navi 23 XT (215-130000006)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

11.06 billion

Transistors

Unknown

237 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.6

6.7

Shader Model

6.6

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