AMD Radeon RX 6800 vs ATI Radeon HD 5670

VS

AMD Radeon RX 6800

ATI Radeon HD 5670

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 1024MB VRAM Radeon HD 5670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 10 years and 9 months late

Boost Clock2105MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

3440 additional rendering cores

ATI Radeon HD 5670 's Advantages

Lower TDP (64W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +2508%

16.17 TFLOPS

Radeon HD 5670

0.62 TFLOPS

Radeon RX 6800

VS

Radeon HD 5670

Graphics Card

Oct 2020

Release Date

Jan 2010

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1700 MHz

Base Clock

-

2105 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

60

Compute Units

5

-

3840

Shading Units

400

240

TMUs

20

96

ROPs

8

-

60

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

6.200 GPixel/s

505.2 GTexel/s

Texture Rate

15.50 GTexel/s

32.33 TFLOPS

FP16 (half)

-

16.17 TFLOPS

FP32 (float)

620.0 GFLOPS

1010 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

64W

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

None

Graphics Processor

Navi 21

GPU Name

Redwood

Navi 21 XL (215-121000187)

GPU Variant

Redwood XT (215-0757002)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.627 billion

520 mm²

Die Size

104 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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