NVIDIA GeForce GTX 780 Ti vs AMD Radeon RX 6600

VS

NVIDIA GeForce GTX 780 Ti

AMD Radeon RX 6600

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Ti and 8GB VRAM Radeon RX 6600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 's Advantages

Larger VRAM bandwidth (336.6GB/s vs 224.0GB/s)

1088 additional rendering cores

AMD Radeon RX 6600 's Advantages

Released 7 years and 11 months late

Boost Clock has increased by 168% (2491MHz vs 928MHz)

More VRAM (8GB vs 3GB)

Lower TDP (132W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti

5.345 TFLOPS

Radeon RX 6600 +67%

8.928 TFLOPS

3DMark Time Spy

GeForce GTX 780 Ti

3355

Radeon RX 6600 +140%

8084

GeForce GTX 780 Ti

VS

Radeon RX 6600

Graphics Card

Nov 2013

Release Date

Oct 2021

GeForce 700

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

875 MHz

Base Clock

1626 MHz

928 MHz

Boost Clock

2491 MHz

1753 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

128bit

336.6GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

-

2880

Shading Units

1792

240

TMUs

112

48

ROPs

64

-

RT Cores

28

16 KB (per SMX)

L1 Cache

128 KB per Array

1536 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

55.68 GPixel/s

Pixel Rate

159.4 GPixel/s

222.7 GTexel/s

Texture Rate

279.0 GTexel/s

-

FP16 (half)

17.86 TFLOPS

5.345 TFLOPS

FP32 (float)

8.928 TFLOPS

222.7 GFLOPS

FP64 (double)

558.0 GFLOPS

Board Design

250W

TDP

132W

600 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

GK110B

GPU Name

Navi 23

GK110-425-B1

GPU Variant

Navi 23 XL (215-130000016)

Kepler

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

7.08 billion

Transistors

11.06 billion

561 mm²

Die Size

237 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.5

CUDA

-

5.1

Shader Model

6.5

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