AMD Radeon RX 6800 vs NVIDIA RTX A5000-12Q

VS

AMD Radeon RX 6800

NVIDIA RTX A5000-12Q

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 12GB VRAM RTX A5000 12Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Boost Clock has increased by 24% (2105MHz vs 1695MHz)

More VRAM (16GB vs 12GB)

NVIDIA RTX A5000-12Q 's Advantages

Released 6 months late

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

4352 additional rendering cores

Lower TDP (230W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800

16.17 TFLOPS

RTX A5000 12Q +71%

27.77 TFLOPS

Radeon RX 6800

VS

RTX A5000 12Q

Graphics Card

Oct 2020

Release Date

Apr 2021

Navi II

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1700 MHz

Base Clock

1170 MHz

2105 MHz

Boost Clock

1695 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

768.0GB/s

Render Config

60

Compute Units

-

SM Count

64

3840

Shading Units

8192

240

TMUs

256

96

ROPs

96

-

Tensor Cores

256

60

RT Cores

64

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

6 MB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

162.7 GPixel/s

505.2 GTexel/s

Texture Rate

433.9 GTexel/s

32.33 TFLOPS

FP16 (half)

27.77 TFLOPS

16.17 TFLOPS

FP32 (float)

27.77 TFLOPS

1010 GFLOPS

FP64 (double)

433.9 GFLOPS

Board Design

250W

TDP

230W

600 W

Suggested PSU

550 W

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

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

GA102

Navi 21 XL (215-121000187)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

28.3 billion

520 mm²

Die Size

628 mm²

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

6.5

Shader Model

6.7

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