AMD Radeon 780M vs AMD Radeon R9 280X2

VS

We compared a Integrated graphics card GPU: 0System Shared VRAM AMD Radeon 780M and a Desktop platform GPU: 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 780M 's Advantages

Boost Clock has increased by 170% (2700MHz vs 1000MHz)

Lower TDP (15W vs 375W)

AMD Radeon R9 280X2 's Advantages

1280 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon 780M +102%

8.294 TFLOPS

Radeon R9 280X2

4.096 TFLOPS

AMD Radeon 780M

VS

Radeon R9 280X2

Graphics Card

Jan 2023

Release Date

Unknown

Navi III IGP

Generation

Volcanic Islands

Integrated

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

800 MHz

Base Clock

950 MHz

2700 MHz

Boost Clock

1000 MHz

System Shared

Memory Clock

1500 MHz

Memory

System Shared

Memory Size

3GB

System Shared

Memory Type

GDDR5

System Shared

Memory Bus

384bit

System Dependent

Bandwidth

288.0GB/s

Render Config

-

SM Count

-

12

Compute Units

32

768

Shading Units

2048

48

TMUs

128

32

ROPs

32

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

Theoretical Performance

86.40 GPixel/s

Pixel Rate

32.00 GPixel/s

129.6 GTexel/s

Texture Rate

128.0 GTexel/s

16.59 TFLOPS

FP16 (half)

-

8.294 TFLOPS

FP32 (float)

4.096 TFLOPS

518.4 GFLOPS

FP64 (double)

1024 GFLOPS

Graphics Processor

Phoenix

GPU Name

Tahiti

-

GPU Variant

Tahiti XTL (215-0821065)

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

25.39 billion

Transistors

4.313 billion

178 mm²

Die Size

352 mm²

Board Design

15W

TDP

375W

-

Suggested PSU

750 W

Portable Device Dependent

Outputs

6x mini-DisplayPort 1.2

None

Power Connectors

3x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.7

Shader Model

5.1

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