AMD Radeon RX 8800 XT vs ATI Radeon HD 4770

VS

AMD Radeon RX 8800 XT

ATI Radeon HD 4770

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 8800 XT and 512MB VRAM Radeon HD 4770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 8800 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (624.1GB/s vs 51.20GB/s)

3456 additional rendering cores

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 220W)

Score

Benchmark

FP32 (float)

Radeon RX 8800 XT +1973%

19.91 TFLOPS

Radeon HD 4770

0.96 TFLOPS

Radeon RX 8800 XT

VS

Radeon HD 4770

Graphics Card

Unknown

Release Date

Apr 2009

Navi IV(RX 8000)

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1295 MHz

Base Clock

-

2430 MHz

Boost Clock

-

2438 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

624.1GB/s

Bandwidth

51.20GB/s

Render Config

64

Compute Units

8

-

4096

Shading Units

640

256

TMUs

32

96

ROPs

16

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

233.3 GPixel/s

Pixel Rate

12.00 GPixel/s

622.1 GTexel/s

Texture Rate

24.00 GTexel/s

39.81 TFLOPS

FP16 (half)

-

19.91 TFLOPS

FP32 (float)

960.0 GFLOPS

622.1 GFLOPS

FP64 (double)

192.0 GFLOPS

Board Design

220W

TDP

80W

550 W

Suggested PSU

250 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 48

GPU Name

RV740

Navi 48 XT

GPU Variant

RV740 XT (215-0727019)

RDNA 4.0

Architecture

TeraScale

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

0.826 billion

Unknown

Die Size

137 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

6.8

Shader Model

4.1

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