NVIDIA RTX A5000-8Q vs AMD Radeon RX 6900 XT

VS

NVIDIA RTX A5000-8Q

AMD Radeon RX 6900 XT

We compared two Desktop platform GPUs: 8GB VRAM RTX A5000 8Q and 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A5000-8Q 's Advantages

Released 6 months late

Larger VRAM bandwidth (768.0GB/s vs 512.0GB/s)

3072 additional rendering cores

Lower TDP (230W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

Boost Clock has increased by 33% (2250MHz vs 1695MHz)

More VRAM (16GB vs 8GB)

Score

Benchmark

FP32 (float)

RTX A5000 8Q +20%

27.77 TFLOPS

Radeon RX 6900 XT

23.04 TFLOPS

RTX A5000 8Q

VS

Radeon RX 6900 XT

Graphics Card

Apr 2021

Release Date

Oct 2020

Quadro Ampere

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1170 MHz

Base Clock

1825 MHz

1695 MHz

Boost Clock

2250 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

256bit

768.0GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

80

64

SM Count

-

8192

Shading Units

5120

256

TMUs

320

96

ROPs

128

256

Tensor Cores

-

64

RT Cores

80

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

162.7 GPixel/s

Pixel Rate

288.0 GPixel/s

433.9 GTexel/s

Texture Rate

720.0 GTexel/s

27.77 TFLOPS

FP16 (half)

46.08 TFLOPS

27.77 TFLOPS

FP32 (float)

23.04 TFLOPS

433.9 GFLOPS

FP64 (double)

1440 GFLOPS

Board Design

230W

TDP

300W

550 W

Suggested PSU

700 W

4x DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GA102

GPU Name

Navi 21

-

GPU Variant

Navi 21 XTX (215-121000167)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

26.8 billion

628 mm²

Die Size

520 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

6.5

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