AMD Radeon R9 M485X vs AMD Radeon HD 8950M

VS

We compared two Mobile platform GPUs: 8GB VRAM Radeon R9 M485X and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M485X 's Advantages

Released 3 years late

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 88.00GB/s)

1280 additional rendering cores

AMD Radeon HD 8950M 's Advantages

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M485X +79%

2.961 TFLOPS

Radeon HD 8950M

1.651 TFLOPS

Radeon R9 M485X

VS

Radeon HD 8950M

Graphics Card

May 2016

Release Date

May 2013

Crystal System

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

1375 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

88.00GB/s

Render Config

-

SM Count

-

32

Compute Units

12

2048

Shading Units

768

128

TMUs

48

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

23.14 GPixel/s

Pixel Rate

17.20 GPixel/s

92.54 GTexel/s

Texture Rate

51.60 GTexel/s

2.961 TFLOPS

FP16 (half)

-

2.961 TFLOPS

FP32 (float)

1.651 TFLOPS

185.1 GFLOPS

FP64 (double)

103.2 GFLOPS

Graphics Processor

Amethyst

GPU Name

Saturn

Amethyst XT

GPU Variant

Saturn XT

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.08 billion

366 mm²

Die Size

160 mm²

Board Design

250W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.3

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