NVIDIA GeForce RTX 3080 Ti vs AMD Radeon RX 6650 XT

VS

NVIDIA GeForce RTX 3080 Ti AMD Radeon RX 6650 XT

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 Ti and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 's Advantages

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (912.4GB/s vs 280.3GB/s)

8192 additional rendering cores

AMD Radeon RX 6650 XT 's Advantages

Released 1 years late

Boost Clock has increased by 58% (2635MHz vs 1665MHz)

Lower TDP (176W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti +216%

34.1 TFLOPS

Radeon RX 6650 XT

10.79 TFLOPS

3DMark Time Spy

GeForce RTX 3080 Ti +99%

19771

Radeon RX 6650 XT

9897

Shadow of the Tomb Raider 2160p

GeForce RTX 3080 Ti +142%

92

Radeon RX 6650 XT

38

Shadow of the Tomb Raider 1440p

GeForce RTX 3080 Ti +98%

153

Radeon RX 6650 XT

77

Shadow of the Tomb Raider 1080p

GeForce RTX 3080 Ti +67%

199

Radeon RX 6650 XT

119

Cyberpunk 2077 2160p

GeForce RTX 3080 Ti +120%

66

Radeon RX 6650 XT

30

Cyberpunk 2077 1440p

GeForce RTX 3080 Ti +108%

77

Radeon RX 6650 XT

37

Cyberpunk 2077 1080p

GeForce RTX 3080 Ti +89%

112

Radeon RX 6650 XT

59

Battlefield 5 2160p

GeForce RTX 3080 Ti +107%

114

Radeon RX 6650 XT

55

Battlefield 5 1440p

GeForce RTX 3080 Ti +68%

187

Radeon RX 6650 XT

111

Battlefield 5 1080p

GeForce RTX 3080 Ti +26%

199

Radeon RX 6650 XT

157

GTA 5 2160p

GeForce RTX 3080 Ti +59%

102

Radeon RX 6650 XT

64

GTA 5 1440p

GeForce RTX 3080 Ti +76%

150

Radeon RX 6650 XT

85

GTA 5 1080p

GeForce RTX 3080 Ti +24%

186

Radeon RX 6650 XT

150

GeForce RTX 3080 Ti

VS

Radeon RX 6650 XT

Graphics Card

May 2021

Release Date

May 2022

GeForce 30

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1365 MHz

Base Clock

2055 MHz

1665 MHz

Boost Clock

2635 MHz

1188 MHz

Memory Clock

2190 MHz

Memory

12GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR6

384bit

Memory Bus

128bit

912.4GB/s

Bandwidth

280.3GB/s

Render Config

80

SM Count

-

Compute Units

32

10240

Shading Units

2048

320

TMUs

128

112

ROPs

64

320

Tensor Cores

-

80

RT Cores

32

128 KB (per SM)

L1 Cache

128 KB per Array

6 MB

L2 Cache

2 MB

Theoretical Performance

186.5 GPixel/s

Pixel Rate

168.6 GPixel/s

532.8 GTexel/s

Texture Rate

337.3 GTexel/s

34.10 TFLOPS

FP16 (half)

21.59 TFLOPS

34.10 TFLOPS

FP32 (float)

10.79 TFLOPS

532.8 GFLOPS

FP64 (double)

674.6 GFLOPS

Graphics Processor

GA102

GPU Name

Navi 23

GA102-225-A1

GPU Variant

Navi 23 KXT (215-130000136)

Ampere

Architecture

RDNA 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

7 nm

28.3 billion

Transistors

11.06 billion

628 mm²

Die Size

237 mm²

Board Design

350W

TDP

176W

750 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 12-pin

Power Connectors

1x 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

8.6

CUDA

-

6.6

Shader Model

6.5

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