AMD Radeon R9 390 vs AMD Radeon RX 7950 XTX

VS

AMD Radeon R9 390

AMD Radeon RX 7950 XTX

We compared two Desktop platform GPUs: 8GB VRAM Radeon R9 390 and 24GB VRAM Radeon RX 7950 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 390 's Advantages

Lower TDP (275W vs 355W)

AMD Radeon RX 7950 XTX 's Advantages

Boost Clock3300MHz

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (960.0GB/s vs 384.0GB/s)

3584 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 390

5.12 TFLOPS

Radeon RX 7950 XTX +1483%

81.1 TFLOPS

Radeon R9 390

VS

Radeon RX 7950 XTX

Graphics Card

Jun 2015

Release Date

Unknown

Pirate Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2200 MHz

-

Boost Clock

3300 MHz

1500 MHz

Memory Clock

2500 MHz

Memory

8GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

384bit

384.0GB/s

Bandwidth

960.0GB/s

Render Config

40

Compute Units

96

-

2560

Shading Units

6144

160

TMUs

384

64

ROPs

192

-

RT Cores

96

16 KB (per CU)

L1 Cache

256 KB per Array

1024 KB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

64.00 GPixel/s

Pixel Rate

633.6 GPixel/s

160.0 GTexel/s

Texture Rate

1267 GTexel/s

-

FP16 (half)

162.2 TFLOPS

5.120 TFLOPS

FP32 (float)

81.10 TFLOPS

640.0 GFLOPS

FP64 (double)

2.534 TFLOPS

Board Design

275W

TDP

355W

600 W

Suggested PSU

750 W

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

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Grenada

GPU Name

Navi 31

Grenada PRO (215-0880030)

GPU Variant

Navi 31 XTX+

GCN 2.0

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

5 nm

6.2 billion

Transistors

57.7 billion

438 mm²

Die Size

529 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.2

1.2

Vulkan

1.3

-

6.3

Shader Model

6.7

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