AMD Radeon RX 6900 XTX vs NVIDIA RTX A1000

VS

AMD Radeon RX 6900 XTX

NVIDIA RTX A1000

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 8GB VRAM RTX A1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock has increased by 67% (2435MHz vs 1462MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 192.0GB/s)

2816 additional rendering cores

NVIDIA RTX A1000 's Advantages

Lower TDP (50W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX +270%

24.93 TFLOPS

RTX A1000

6.737 TFLOPS

Radeon RX 6900 XTX

VS

RTX A1000

Graphics Card

Unknown

Release Date

Apr 2024

Navi II

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2075 MHz

Base Clock

727 MHz

2435 MHz

Boost Clock

1462 MHz

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

192.0GB/s

Render Config

80

Compute Units

-

SM Count

18

5120

Shading Units

2304

320

TMUs

72

128

ROPs

32

-

Tensor Cores

72

80

RT Cores

18

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

2 MB

128 MB

L3 Cache

-

Theoretical Performance

311.7 GPixel/s

Pixel Rate

46.78 GPixel/s

779.2 GTexel/s

Texture Rate

105.3 GTexel/s

49.87 TFLOPS

FP16 (half)

6.737 TFLOPS

24.93 TFLOPS

FP32 (float)

6.737 TFLOPS

1.558 TFLOPS

FP64 (double)

105.3 GFLOPS

Board Design

330W

TDP

50W

700 W

Suggested PSU

250 W

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

Outputs

4x mini-DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

GA107

Navi 21 XTXH (215-121000247)

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

7 nm

Process Size

8 nm

26.8 billion

Transistors

8.7 billion

520 mm²

Die Size

200 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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