AMD Radeon HD 8950M vs AMD Radeon HD 8670A

VS

AMD Radeon HD 8950M

AMD Radeon HD 8670A

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 1024MB VRAM Radeon HD 8670A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 16.00GB/s)

384 additional rendering cores

AMD Radeon HD 8670A 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8950M +258%

1.651 TFLOPS

Radeon HD 8670A

0.461 TFLOPS

Radeon HD 8950M

VS

Radeon HD 8670A

Graphics Card

May 2013

Release Date

Feb 2013

Solar System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1375 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

88.00GB/s

Bandwidth

16.00GB/s

Render Config

12

Compute Units

6

-

768

Shading Units

384

48

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

17.20 GPixel/s

Pixel Rate

4.800 GPixel/s

51.60 GTexel/s

Texture Rate

14.40 GTexel/s

-

1.651 TFLOPS

FP32 (float)

460.8 GFLOPS

103.2 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Saturn

GPU Name

Mars

Saturn XT

GPU Variant

Mars XT

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.95 billion

160 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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