AMD Radeon RX 6900 XT vs AMD Radeon RX 7950 XTX

VS

AMD Radeon RX 6900 XT

AMD Radeon RX 7950 XTX

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 24GB VRAM Radeon RX 7950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages

Lower TDP (300W vs 355W)

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock has increased by 47% (3300MHz vs 2250MHz)

More VRAM (24GB vs 16GB)

Larger VRAM bandwidth (960.0GB/s vs 512.0GB/s)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6900 XT

23.04 TFLOPS

Radeon RX 7950 XTX +251%

81.1 TFLOPS

Radeon RX 6900 XT

VS

Radeon RX 7950 XTX

Graphics Card

Oct 2020

Release Date

Unknown

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

2200 MHz

2250 MHz

Boost Clock

3300 MHz

2000 MHz

Memory Clock

2500 MHz

Memory

16GB

Memory Size

24GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

960.0GB/s

Render Config

80

Compute Units

96

-

5120

Shading Units

6144

320

TMUs

384

128

ROPs

192

-

80

RT Cores

96

128 KB per Array

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

128 MB

L3 Cache

96 MB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

633.6 GPixel/s

720.0 GTexel/s

Texture Rate

1267 GTexel/s

46.08 TFLOPS

FP16 (half)

162.2 TFLOPS

23.04 TFLOPS

FP32 (float)

81.10 TFLOPS

1440 GFLOPS

FP64 (double)

2.534 TFLOPS

Board Design

300W

TDP

355W

700 W

Suggested PSU

750 W

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

Outputs

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

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 21

GPU Name

Navi 31

Navi 21 XTX (215-121000167)

GPU Variant

Navi 31 XTX+

RDNA 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

26.8 billion

Transistors

57.7 billion

520 mm²

Die Size

529 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.2

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

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