AMD Radeon R9 390X vs AMD Radeon RX 6950 XT

VS

AMD Radeon R9 390X AMD Radeon RX 6950 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390X and 16GB VRAM Radeon RX 6950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390X 's Advantages

Lower TDP (275W vs 335W)

AMD Radeon RX 6950 XT 's Advantages

Released 6 years and 11 months late

Boost Clock2310MHz

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (576.0GB/s vs 384.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 390X

5.914 TFLOPS

Radeon RX 6950 XT +299%

23.65 TFLOPS

3DMark Time Spy

Radeon R9 390X

4245

Radeon RX 6950 XT +405%

21448

Radeon R9 390X

VS

Radeon RX 6950 XT

Graphics Card

Jun 2015

Release Date

May 2022

Pirate Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1860 MHz

-

Boost Clock

2310 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

8GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

256bit

384.0GB/s

Bandwidth

576.0GB/s

Render Config

-

SM Count

-

44

Compute Units

80

2816

Shading Units

5120

176

TMUs

320

64

ROPs

128

-

Tensor Cores

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

Theoretical Performance

67.20 GPixel/s

Pixel Rate

295.7 GPixel/s

184.8 GTexel/s

Texture Rate

739.2 GTexel/s

-

FP16 (half)

47.31 TFLOPS

5.914 TFLOPS

FP32 (float)

23.65 TFLOPS

739.2 GFLOPS

FP64 (double)

1478 GFLOPS

Graphics Processor

Grenada

GPU Name

Navi 21

Grenada XT (215-0880004)

GPU Variant

Navi 21 KXTX (215-121000289)

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

Board Design

275W

TDP

335W

600 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

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

-

CUDA

-

6.3

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon R9 390X vs NVIDIA GeForce RTX 4070 SUPER

2

AMD Radeon R9 390X vs Intel Arc A750

3

AMD Radeon R9 390X vs NVIDIA GeForce GTX TITAN X

4

AMD Radeon R9 390X vs ATI Radeon HD 3870 AGP

5

AMD Radeon R9 390X vs AMD Radeon R9 270

6

AMD Radeon R9 390X vs NVIDIA GeForce RTX 2060 SUPER

7

AMD Radeon R9 390X vs NVIDIA GeForce 9500 GT

8

AMD Radeon R9 390X vs AMD Radeon RX Vega 64

9

AMD Radeon R9 390X vs NVIDIA GeForce RTX 3050 8 GB GA107

10

AMD Radeon R9 390X vs AMD Radeon Pro Duo

Related News

1

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

2

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

3

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

4

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

5

AMD's Latest Breakthrough Technology Could Change the Game in the Future

6

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

7

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

8

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

9

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied

10

Snapdragon 8 Gen 4 to Feature Frame Interpolation for GPU: A Game-Changing Experience