AMD Radeon RX 6950 XT vs AMD Radeon RX 6600 LE

VS

AMD Radeon RX 6950 XT

AMD Radeon RX 6600 LE

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6950 XT and 8GB VRAM Radeon RX 6600 LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6950 XT 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 224.0GB/s)

3328 additional rendering cores

AMD Radeon RX 6600 LE 's Advantages

Released 1 years and 7 months late

Boost Clock has increased by 8% (2495MHz vs 2310MHz)

Lower TDP (132W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +164%

23.65 TFLOPS

Radeon RX 6600 LE

8.942 TFLOPS

Radeon RX 6950 XT

VS

Radeon RX 6600 LE

Graphics Card

May 2022

Release Date

Dec 2023

Navi II

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1860 MHz

Base Clock

1626 MHz

2310 MHz

Boost Clock

2495 MHz

2250 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

224.0GB/s

Render Config

80

Compute Units

28

-

5120

Shading Units

1792

320

TMUs

112

128

ROPs

64

-

80

RT Cores

28

128 KB per Array

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

128 MB

L3 Cache

32 MB

Theoretical Performance

295.7 GPixel/s

Pixel Rate

159.7 GPixel/s

739.2 GTexel/s

Texture Rate

279.4 GTexel/s

47.31 TFLOPS

FP16 (half)

17.88 TFLOPS

23.65 TFLOPS

FP32 (float)

8.942 TFLOPS

1478 GFLOPS

FP64 (double)

558.9 GFLOPS

Board Design

335W

TDP

132W

700 W

Suggested PSU

300 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

Navi 23

Navi 21 KXTX (215-121000289)

GPU Variant

Navi 23 XL (215-130000016)

RDNA 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

7 nm

26.8 billion

Transistors

11.06 billion

520 mm²

Die Size

237 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

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