ATI Radeon HD 4770 vs AMD Radeon RX 6600 XT

VS

ATI Radeon HD 4770

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 160W)

AMD Radeon RX 6600 XT 's Advantages

Released 12 years and 3 months late

Boost Clock2589MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 51.20GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

Radeon RX 6600 XT +1004%

10.6 TFLOPS

Radeon HD 4770

VS

Radeon RX 6600 XT

Graphics Card

Apr 2009

Release Date

Jul 2021

Radeon R700

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1968 MHz

-

Boost Clock

2589 MHz

800 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

256.0GB/s

Render Config

8

Compute Units

32

-

640

Shading Units

2048

32

TMUs

128

16

ROPs

64

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

165.7 GPixel/s

24.00 GTexel/s

Texture Rate

331.4 GTexel/s

-

FP16 (half)

21.21 TFLOPS

960.0 GFLOPS

FP32 (float)

10.60 TFLOPS

192.0 GFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

80W

TDP

160W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 8-pin

Graphics Processor

RV740

GPU Name

Navi 23

RV740 XT (215-0727019)

GPU Variant

Navi 23 XT (215-130000006)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.826 billion

Transistors

11.06 billion

137 mm²

Die Size

237 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.7

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