AMD Radeon HD 6390 vs AMD Radeon RX 7900 XTX

VS

AMD Radeon HD 6390

AMD Radeon RX 7900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 24GB VRAM Radeon RX 7900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 355W)

AMD Radeon RX 7900 XTX 's Advantages

Released 11 years and 4 months late

Boost Clock2498MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (960.0GB/s vs 16.00GB/s)

5824 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon RX 7900 XTX +17340%

61.39 TFLOPS

Radeon HD 6390

VS

Radeon RX 7900 XTX

Graphics Card

Jul 2011

Release Date

Nov 2022

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1929 MHz

-

Boost Clock

2498 MHz

500 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

24GB

DDR2

Memory Type

GDDR6

128bit

Memory Bus

384bit

16.00GB/s

Bandwidth

960.0GB/s

Render Config

4

Compute Units

96

-

320

Shading Units

6144

16

TMUs

384

8

ROPs

192

-

RT Cores

96

8 KB (per CU)

L1 Cache

256 KB per Array

256 KB

L2 Cache

6 MB

-

L3 Cache

96 MB

Theoretical Performance

4.400 GPixel/s

Pixel Rate

479.6 GPixel/s

8.800 GTexel/s

Texture Rate

959.2 GTexel/s

-

FP16 (half)

122.8 TFLOPS

352.0 GFLOPS

FP32 (float)

61.39 TFLOPS

-

FP64 (double)

1.918 TFLOPS

Board Design

39W

TDP

355W

200 W

Suggested PSU

750 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

2x 8-pin

Graphics Processor

Redwood

GPU Name

Navi 31

Redwood LE

GPU Variant

Navi 31 XTX (215-145000146)

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.627 billion

Transistors

57.7 billion

104 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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