AMD Radeon RX 7900 XT vs ATI Radeon HD 4770

VS

AMD Radeon RX 7900 XT ATI Radeon HD 4770

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 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 7900 XT 's Advantages

Released 13 years and 7 months late

Boost Clock2394MHz

Larger VRAM bandwidth (800.0GB/s vs 51.20GB/s)

4736 additional rendering cores

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +5262%

51.48 TFLOPS

Radeon HD 4770

0.96 TFLOPS

Radeon RX 7900 XT

VS

Radeon HD 4770

Graphics Card

Nov 2022

Release Date

Apr 2009

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1387 MHz

Base Clock

-

2394 MHz

Boost Clock

-

2500 MHz

Memory Clock

800 MHz

Memory

20GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

-

84

Compute Units

8

5376

Shading Units

640

336

TMUs

32

192

ROPs

16

-

Tensor Cores

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

128 KB

Theoretical Performance

459.6 GPixel/s

Pixel Rate

12.00 GPixel/s

804.4 GTexel/s

Texture Rate

24.00 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

960.0 GFLOPS

1.609 TFLOPS

FP64 (double)

192.0 GFLOPS

Graphics Processor

Navi 31

GPU Name

RV740

Navi 31 XT (215-145000156)

GPU Variant

RV740 XT (215-0727019)

RDNA 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

57.7 billion

Transistors

0.826 billion

529 mm²

Die Size

137 mm²

Board Design

300W

TDP

80W

700 W

Suggested PSU

250 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

6.7

Shader Model

4.1

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