AMD Radeon R9 390 X2 vs AMD Radeon RX 6800

VS

AMD Radeon R9 390 X2

AMD Radeon RX 6800

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 X2 and 16GB VRAM Radeon RX 6800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 5 years and 1 months late

Boost Clock2105MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 345.6GB/s)

1280 additional rendering cores

Lower TDP (250W vs 580W)

Score

Benchmark

FP32 (float)

Radeon R9 390 X2

5.12 TFLOPS

Radeon RX 6800 +215%

16.17 TFLOPS

Radeon R9 390 X2

VS

Radeon RX 6800

Graphics Card

Sep 2015

Release Date

Oct 2020

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1700 MHz

-

Boost Clock

2105 MHz

1350 MHz

Memory Clock

2000 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

256bit

345.6GB/s

Bandwidth

512.0GB/s

Render Config

40

Compute Units

60

-

2560

Shading Units

3840

160

TMUs

240

64

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

202.1 GPixel/s

160.0 GTexel/s

Texture Rate

505.2 GTexel/s

-

FP16 (half)

32.33 TFLOPS

5.120 TFLOPS

FP32 (float)

16.17 TFLOPS

640.0 GFLOPS

FP64 (double)

1010 GFLOPS

Board Design

580W

TDP

250W

950 W

Suggested PSU

600 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

4x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Grenada

GPU Name

Navi 21

Grenada PRO (215-0880030)

GPU Variant

Navi 21 XL (215-121000187)

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

6.2 billion

Transistors

26.8 billion

438 mm²

Die Size

520 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon R9 390 X2 vs AMD Radeon R9 285

2

AMD Radeon R9 390 X2 vs AMD Radeon HD 7790

3

AMD Radeon R9 390 X2 vs ATI FirePro V7770

4

AMD Radeon R9 390 X2 vs AMD Radeon HD 7450 OEM

5

AMD Radeon R9 390 X2 vs AMD FirePro W2100

6

AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 780 Ti

7

AMD Radeon R9 390 X2 vs AMD Radeon RX 580 OEM

8

AMD Radeon R9 390 X2 vs NVIDIA GeForce GTX 1080 Ti 12 GB

9

AMD Radeon R9 390 X2 vs AMD Radeon RX 580G

10

AMD Radeon R9 390 X2 vs NVIDIA GeForce GT 630 OEM

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!