AMD Radeon RX 6800 vs ATI Radeon HD 4670 AGP

VS

AMD Radeon RX 6800

ATI Radeon HD 4670 AGP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 1024MB VRAM Radeon HD 4670 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 11 years and 3 months late

Boost Clock2105MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 25.60GB/s)

3520 additional rendering cores

ATI Radeon HD 4670 AGP 's Advantages

Lower TDP (59W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +3268%

16.17 TFLOPS

Radeon HD 4670 AGP

0.48 TFLOPS

Radeon RX 6800

VS

Radeon HD 4670 AGP

Graphics Card

Oct 2020

Release Date

Jul 2009

Navi II

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

AGP 8x

Clock Speeds

1700 MHz

Base Clock

-

2105 MHz

Boost Clock

-

2000 MHz

Memory Clock

800 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

25.60GB/s

Render Config

60

Compute Units

4

-

3840

Shading Units

320

240

TMUs

32

96

ROPs

8

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

6.000 GPixel/s

505.2 GTexel/s

Texture Rate

24.00 GTexel/s

32.33 TFLOPS

FP16 (half)

-

16.17 TFLOPS

FP32 (float)

480.0 GFLOPS

1010 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

59W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

-

Graphics Processor

Navi 21

GPU Name

RV730

Navi 21 XL (215-121000187)

GPU Variant

RV730 XT (215-0719047)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.514 billion

520 mm²

Die Size

146 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.5

Shader Model

4.1

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