AMD Radeon RX 7900 GRE vs ATI Radeon HD 4770

VS

AMD Radeon RX 7900 GRE

ATI Radeon HD 4770

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7900 GRE 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 GRE 's Advantages

Released 14 years and 3 months late

Boost Clock2245MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (576.0GB/s vs 51.20GB/s)

4480 additional rendering cores

ATI Radeon HD 4770 's Advantages

Lower TDP (80W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 GRE +4689%

45.98 TFLOPS

Radeon HD 4770

0.96 TFLOPS

Radeon RX 7900 GRE

VS

Radeon HD 4770

Graphics Card

Jul 2023

Release Date

Apr 2009

Navi III

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1287 MHz

Base Clock

-

2245 MHz

Boost Clock

-

2250 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

51.20GB/s

Render Config

80

Compute Units

8

-

5120

Shading Units

640

320

TMUs

32

160

ROPs

16

-

80

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

128 KB

64 MB

L3 Cache

-

Theoretical Performance

359.2 GPixel/s

Pixel Rate

12.00 GPixel/s

718.4 GTexel/s

Texture Rate

24.00 GTexel/s

91.96 TFLOPS

FP16 (half)

-

45.98 TFLOPS

FP32 (float)

960.0 GFLOPS

1437 GFLOPS

FP64 (double)

192.0 GFLOPS

Board Design

260W

TDP

80W

600 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 Processor

Navi 31

GPU Name

RV740

Navi 31 XL (215-145000206)

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

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

-

6.7

Shader Model

4.1

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