AMD Radeon RX 6900 XTX vs AMD Radeon RX 7950 XT

VS

AMD Radeon RX 6900 XTX AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XTX and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7950 XT 's Advantages

Boost Clock has increased by 23% (3000MHz vs 2435MHz)

More VRAM (20GB vs 16GB)

Larger VRAM bandwidth (800.0GB/s vs 576.0GB/s)

256 additional rendering cores

Lower TDP (300W vs 330W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XTX

24.93 TFLOPS

Radeon RX 7950 XT +158%

64.51 TFLOPS

Radeon RX 6900 XTX

VS

Radeon RX 7950 XT

Graphics Card

Unknown

Release Date

Unknown

Navi II

Generation

Navi III

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2075 MHz

Base Clock

2000 MHz

2435 MHz

Boost Clock

3000 MHz

2250 MHz

Memory Clock

2500 MHz

Memory

16GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

320bit

576.0GB/s

Bandwidth

800.0GB/s

Render Config

-

SM Count

-

80

Compute Units

84

5120

Shading Units

5376

320

TMUs

336

128

ROPs

192

-

Tensor Cores

-

80

RT Cores

84

128 KB per Array

L1 Cache

256 KB per Array

4 MB

L2 Cache

6 MB

Theoretical Performance

311.7 GPixel/s

Pixel Rate

576.0 GPixel/s

779.2 GTexel/s

Texture Rate

1008 GTexel/s

49.87 TFLOPS

FP16 (half)

129.0 TFLOPS

24.93 TFLOPS

FP32 (float)

64.51 TFLOPS

1.558 TFLOPS

FP64 (double)

2.016 TFLOPS

Graphics Processor

Navi 21

GPU Name

Navi 31

Navi 21 XTXH (215-121000247)

GPU Variant

Navi 31 XT+

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

Board Design

330W

TDP

300W

700 W

Suggested PSU

700 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 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

-

CUDA

-

6.5

Shader Model

6.7

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