AMD Radeon 550X Mobile vs AMD Radeon HD 7950M

VS

AMD Radeon 550X Mobile AMD Radeon HD 7950M

We compared two Mobile platform GPUs: 4GB VRAM Radeon 550X Mobile and 2GB VRAM Radeon HD 7950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X Mobile 's Advantages

Released 6 years late

Boost Clock1287MHz

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 75W)

AMD Radeon HD 7950M 's Advantages

Larger VRAM bandwidth (128.0GB/s vs 48.00GB/s)

640 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X Mobile

1.647 TFLOPS

Radeon HD 7950M +8%

1.792 TFLOPS

Radeon 550X Mobile

VS

Radeon HD 7950M

Graphics Card

Apr 2018

Release Date

Apr 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

1100 MHz

Base Clock

-

1287 MHz

Boost Clock

-

1500 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

10

Compute Units

20

640

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

20.59 GPixel/s

Pixel Rate

22.40 GPixel/s

51.48 GTexel/s

Texture Rate

56.00 GTexel/s

1.647 TFLOPS

FP16 (half)

-

1.647 TFLOPS

FP32 (float)

1.792 TFLOPS

103.0 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

Wimbledon

Polaris 23 MXT

GPU Variant

Wimbledon PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.8 billion

103 mm²

Die Size

212 mm²

Board Design

50W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

5.1

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