NVIDIA GeForce RTX 4090 Ti vs AMD Radeon RX 6950 XT

VS

NVIDIA GeForce RTX 4090 Ti AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 16GB VRAM Radeon RX 6950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Ti 's Advantages

Boost Clock has increased by 11% (2565MHz vs 2310MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (1152GB/s vs 576.0GB/s)

13056 additional rendering cores

AMD Radeon RX 6950 XT 's Advantages

Lower TDP (335W vs 600W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Ti +294%

93.24 TFLOPS

Radeon RX 6950 XT

23.65 TFLOPS

GeForce RTX 4090 Ti

VS

Radeon RX 6950 XT

Graphics Card

Unknown

Release Date

May 2022

GeForce 40

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2325 MHz

Base Clock

1860 MHz

2565 MHz

Boost Clock

2310 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

24GB

Memory Size

16GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

256bit

1152GB/s

Bandwidth

576.0GB/s

Render Config

142

SM Count

-

Compute Units

80

18176

Shading Units

5120

568

TMUs

320

192

ROPs

128

568

Tensor Cores

-

142

RT Cores

80

128 KB (per SM)

L1 Cache

128 KB per Array

96 MB

L2 Cache

4 MB

Theoretical Performance

492.5 GPixel/s

Pixel Rate

295.7 GPixel/s

1457 GTexel/s

Texture Rate

739.2 GTexel/s

93.24 TFLOPS

FP16 (half)

47.31 TFLOPS

93.24 TFLOPS

FP32 (float)

23.65 TFLOPS

1457 GFLOPS

FP64 (double)

1478 GFLOPS

Graphics Processor

AD102

GPU Name

Navi 21

AD102-400-A1

GPU Variant

Navi 21 KXTX (215-121000289)

Ada Lovelace

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

76.3 billion

Transistors

26.8 billion

609 mm²

Die Size

520 mm²

Board Design

600W

TDP

335W

1000 W

Suggested PSU

700 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

2x 16-pin

Power Connectors

2x 8-pin

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

8.9

CUDA

-

6.7

Shader Model

6.5

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