AMD Radeon HD 6390 vs AMD Radeon RX 7700

VS

AMD Radeon HD 6390

AMD Radeon RX 7700

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 12GB VRAM Radeon RX 7700 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 200W)

AMD Radeon RX 7700 's Advantages

Boost Clock2600MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 16.00GB/s)

2752 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon RX 7700 +8976%

31.95 TFLOPS

Radeon HD 6390

VS

Radeon RX 7700

Graphics Card

Jul 2011

Release Date

Unknown

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1900 MHz

-

Boost Clock

2600 MHz

500 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

12GB

DDR2

Memory Type

GDDR6

128bit

Memory Bus

192bit

16.00GB/s

Bandwidth

432.0GB/s

Render Config

4

Compute Units

48

-

320

Shading Units

3072

16

TMUs

192

8

ROPs

96

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

4.400 GPixel/s

Pixel Rate

249.6 GPixel/s

8.800 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

352.0 GFLOPS

FP32 (float)

31.95 TFLOPS

-

FP64 (double)

998.4 GFLOPS

Board Design

39W

TDP

200W

200 W

Suggested PSU

550 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

1x 8-pin

Graphics Processor

Redwood

GPU Name

Navi 32

Redwood LE

GPU Variant

Navi 32

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

0.627 billion

Transistors

28.1 billion

104 mm²

Die Size

346 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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