AMD Radeon 780M vs AMD Radeon RX 6900 XT

VS

AMD Radeon 780M

AMD Radeon RX 6900 XT

We compared a Integrated graphics card GPU: 0System Shared VRAM AMD Radeon 780M and a Desktop platform GPU: 16GB VRAM Radeon RX 6900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 780M 's Advantages

Released 2 years and 3 months late

Boost Clock has increased by 20% (2700MHz vs 2250MHz)

Lower TDP (15W vs 300W)

AMD Radeon RX 6900 XT 's Advantages

4352 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon 780M

8.294 TFLOPS

Radeon RX 6900 XT +177%

23.04 TFLOPS

3DMark Time Spy

AMD Radeon 780M

2737

Radeon RX 6900 XT +664%

20932

Blender

AMD Radeon 780M

350

Radeon RX 6900 XT +742%

2948

AMD Radeon 780M

VS

Radeon RX 6900 XT

Graphics Card

Jan 2023

Release Date

Oct 2020

Navi III IGP

Generation

Navi II

Integrated

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

800 MHz

Base Clock

1825 MHz

2700 MHz

Boost Clock

2250 MHz

System Shared

Memory Clock

2000 MHz

Memory

System Shared

Memory Size

16GB

System Shared

Memory Type

GDDR6

System Shared

Memory Bus

256bit

System Dependent

Bandwidth

512.0GB/s

Render Config

12

Compute Units

80

-

768

Shading Units

5120

48

TMUs

320

32

ROPs

128

-

12

RT Cores

80

128 KB per Array

L1 Cache

128 KB per Array

2 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

86.40 GPixel/s

Pixel Rate

288.0 GPixel/s

129.6 GTexel/s

Texture Rate

720.0 GTexel/s

16.59 TFLOPS

FP16 (half)

46.08 TFLOPS

8.294 TFLOPS

FP32 (float)

23.04 TFLOPS

518.4 GFLOPS

FP64 (double)

1440 GFLOPS

Board Design

15W

TDP

300W

-

Suggested PSU

700 W

Portable Device Dependent

Outputs

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

None

Power Connectors

2x 8-pin

Graphics Processor

Phoenix

GPU Name

Navi 21

-

GPU Variant

Navi 21 XTX (215-121000167)

RDNA 3.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

4 nm

Process Size

7 nm

25.39 billion

Transistors

26.8 billion

178 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.7

Shader Model

6.5

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