AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 770

VS

AMD Radeon RX 6600 XT

NVIDIA GeForce GTX 770

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 2GB VRAM GeForce GTX 770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6600 XT 's Advantages

Released 8 years and 2 months late

Boost Clock has increased by 139% (2589MHz vs 1085MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 224.4GB/s)

512 additional rendering cores

Lower TDP (160W vs 230W)

Score

Benchmark

FP32 (float)

Radeon RX 6600 XT +218%

10.6 TFLOPS

GeForce GTX 770

3.333 TFLOPS

3DMark Time Spy

Radeon RX 6600 XT +348%

9579

GeForce GTX 770

2135

Blender

Radeon RX 6600 XT +374%

1196

GeForce GTX 770

252

Radeon RX 6600 XT

VS

GeForce GTX 770

Graphics Card

Jul 2021

Release Date

May 2013

Navi II

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1968 MHz

Base Clock

1046 MHz

2589 MHz

Boost Clock

1085 MHz

2000 MHz

Memory Clock

1753 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

256.0GB/s

Bandwidth

224.4GB/s

Render Config

32

Compute Units

-

2048

Shading Units

1536

128

TMUs

128

64

ROPs

32

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

165.7 GPixel/s

Pixel Rate

34.72 GPixel/s

331.4 GTexel/s

Texture Rate

138.9 GTexel/s

21.21 TFLOPS

FP16 (half)

-

10.60 TFLOPS

FP32 (float)

3.333 TFLOPS

662.8 GFLOPS

FP64 (double)

138.9 GFLOPS

Board Design

160W

TDP

230W

450 W

Suggested PSU

550 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

GK104

Navi 23 XT (215-130000006)

GPU Variant

GK104-425-A2

RDNA 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

11.06 billion

Transistors

3.54 billion

237 mm²

Die Size

294 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

3.0

6.7

Shader Model

5.1

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