AMD Radeon RX 6650 XT vs NVIDIA GeForce GTX 780

VS

AMD Radeon RX 6650 XT

NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6650 XT 's Advantages

Released 9 years late

Boost Clock has increased by 192% (2635MHz vs 902MHz)

More VRAM (8GB vs 3GB)

Lower TDP (176W vs 250W)

NVIDIA GeForce GTX 780 's Advantages

Larger VRAM bandwidth (288.4GB/s vs 280.3GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6650 XT +159%

10.79 TFLOPS

GeForce GTX 780

4.156 TFLOPS

3DMark Time Spy

Radeon RX 6650 XT +253%

9891

GeForce GTX 780

2795

Blender

Radeon RX 6650 XT +668%

1299

GeForce GTX 780

169

Radeon RX 6650 XT

VS

GeForce GTX 780

Graphics Card

May 2022

Release Date

May 2013

Navi II

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

2055 MHz

Base Clock

863 MHz

2635 MHz

Boost Clock

902 MHz

2190 MHz

Memory Clock

1502 MHz

Memory

8GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

384bit

280.3GB/s

Bandwidth

288.4GB/s

Render Config

32

Compute Units

-

2048

Shading Units

2304

128

TMUs

192

64

ROPs

48

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

1536 KB

32 MB

L3 Cache

-

Theoretical Performance

168.6 GPixel/s

Pixel Rate

43.30 GPixel/s

337.3 GTexel/s

Texture Rate

173.2 GTexel/s

21.59 TFLOPS

FP16 (half)

-

10.79 TFLOPS

FP32 (float)

4.156 TFLOPS

674.6 GFLOPS

FP64 (double)

173.2 GFLOPS

Board Design

176W

TDP

250W

450 W

Suggested PSU

600 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 23

GPU Name

GK110

Navi 23 KXT (215-130000136)

GPU Variant

GK110-300-A1

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

7.08 billion

237 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.5

6.5

Shader Model

5.1

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