ATI Radeon HD 4770 vs AMD Radeon RX 6800

VS

ATI Radeon HD 4770

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 16GB VRAM Radeon RX 6800 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 250W)

AMD Radeon RX 6800 's Advantages

Released 11 years and 6 months late

Boost Clock2105MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 51.20GB/s)

3200 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4770

0.96 TFLOPS

Radeon RX 6800 +1584%

16.17 TFLOPS

Radeon HD 4770

VS

Radeon RX 6800

Graphics Card

Apr 2009

Release Date

Oct 2020

Radeon R700

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2105 MHz

800 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

512.0GB/s

Render Config

8

Compute Units

60

-

640

Shading Units

3840

32

TMUs

240

16

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

202.1 GPixel/s

24.00 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

960.0 GFLOPS

FP32 (float)

16.17 TFLOPS

192.0 GFLOPS

FP64 (double)

1010 GFLOPS

Board Design

80W

TDP

250W

250 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

RV740

GPU Name

Navi 21

RV740 XT (215-0727019)

GPU Variant

Navi 21 XL (215-121000187)

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.826 billion

Transistors

26.8 billion

137 mm²

Die Size

520 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

6.5

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