AMD Radeon RX 6950 XT vs AMD Radeon R9 390

VS

AMD Radeon RX 6950 XT

AMD Radeon R9 390

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

Main Differences

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)

2560 additional rendering cores

AMD Radeon R9 390 's Advantages

Lower TDP (275W vs 335W)

Score

Benchmark

FP32 (float)

Radeon RX 6950 XT +361%

23.65 TFLOPS

Radeon R9 390

5.12 TFLOPS

3DMark Time Spy

Radeon RX 6950 XT +443%

21457

Radeon R9 390

3950

Radeon RX 6950 XT

VS

Radeon R9 390

Graphics Card

May 2022

Release Date

Jun 2015

Navi II

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1860 MHz

Base Clock

-

2310 MHz

Boost Clock

-

2250 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

512bit

576.0GB/s

Bandwidth

384.0GB/s

Render Config

80

Compute Units

40

-

5120

Shading Units

2560

320

TMUs

160

128

ROPs

64

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

128 MB

L3 Cache

-

Theoretical Performance

295.7 GPixel/s

Pixel Rate

64.00 GPixel/s

739.2 GTexel/s

Texture Rate

160.0 GTexel/s

47.31 TFLOPS

FP16 (half)

-

23.65 TFLOPS

FP32 (float)

5.120 TFLOPS

1478 GFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

335W

TDP

275W

700 W

Suggested PSU

600 W

1x HDMI 2.1 2x DisplayPort 1.4a

Outputs

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

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Navi 21

GPU Name

Grenada

Navi 21 KXTX (215-121000289)

GPU Variant

Grenada PRO (215-0880030)

RDNA 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

6.2 billion

520 mm²

Die Size

438 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.3

Vulkan

1.2

-

6.5

Shader Model

6.3

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