AMD Radeon RX 7950 XT vs AMD Radeon R9 390

VS

AMD Radeon RX 7950 XT

AMD Radeon R9 390

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7950 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 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 8GB)

Larger VRAM bandwidth (800.0GB/s vs 384.0GB/s)

2816 additional rendering cores

AMD Radeon R9 390 's Advantages

Lower TDP (275W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7950 XT +1159%

64.51 TFLOPS

Radeon R9 390

5.12 TFLOPS

Radeon RX 7950 XT

VS

Radeon R9 390

Graphics Card

Unknown

Release Date

Jun 2015

Navi III

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2000 MHz

Base Clock

-

3000 MHz

Boost Clock

-

2500 MHz

Memory Clock

1500 MHz

Memory

20GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

512bit

800.0GB/s

Bandwidth

384.0GB/s

Render Config

84

Compute Units

40

-

5376

Shading Units

2560

336

TMUs

160

192

ROPs

64

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

1024 KB

80 MB

L3 Cache

-

Theoretical Performance

576.0 GPixel/s

Pixel Rate

64.00 GPixel/s

1008 GTexel/s

Texture Rate

160.0 GTexel/s

129.0 TFLOPS

FP16 (half)

-

64.51 TFLOPS

FP32 (float)

5.120 TFLOPS

2.016 TFLOPS

FP64 (double)

640.0 GFLOPS

Board Design

300W

TDP

275W

700 W

Suggested PSU

600 W

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

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 31

GPU Name

Grenada

Navi 31 XT+

GPU Variant

Grenada PRO (215-0880030)

RDNA 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

6.2 billion

529 mm²

Die Size

438 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.2

OpenCL

2.0

1.3

Vulkan

1.2

-

6.7

Shader Model

6.3

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