AMD Radeon 680M vs AMD Radeon 550X 640SP

VS

AMD Radeon 680M

AMD Radeon 550X 640SP

We compared a Integrated graphics card GPU: 0System Shared VRAM Radeon 680M and a Desktop platform GPU: 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 680M 's Advantages

Released 3 years and 9 months late

Boost Clock has increased by 105% (2200MHz vs 1071MHz)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 680M +146%

3.379 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Radeon 680M

VS

Radeon 550X 640SP

Graphics Card

Jan 2022

Release Date

Apr 2018

Navi II IGP

Generation

Polaris

Integrated

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

2000 MHz

Base Clock

1019 MHz

2200 MHz

Boost Clock

1071 MHz

System Shared

Memory Clock

1500 MHz

Memory

System Shared

Memory Size

4GB

System Shared

Memory Type

GDDR5

System Shared

Memory Bus

64bit

System Dependent

Bandwidth

48.00GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

640

48

TMUs

40

32

ROPs

16

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

70.40 GPixel/s

Pixel Rate

17.14 GPixel/s

105.6 GTexel/s

Texture Rate

42.84 GTexel/s

6.758 TFLOPS

FP16 (half)

1371 GFLOPS

3.379 TFLOPS

FP32 (float)

1371 GFLOPS

211.2 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

50W

TDP

50W

-

Suggested PSU

250 W

Portable Device Dependent

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Rembrandt

GPU Name

Lexa

-

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

13.1 billion

Transistors

2.2 billion

208 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.3

Vulkan

1.2

-

6.7

Shader Model

6.4

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