AMD Radeon HD 8670M vs AMD Radeon HD 8950M

VS

AMD Radeon HD 8670M

AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M 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 HD 8670M 's Advantages

Boost Clock975MHz

AMD Radeon HD 8950M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 14.40GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8670M

0.624 TFLOPS

Radeon HD 8950M +164%

1.651 TFLOPS

Radeon HD 8670M

VS

Radeon HD 8950M

Graphics Card

Mar 2013

Release Date

May 2013

Solar System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

-

975 MHz

Boost Clock

-

900 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

88.00GB/s

Render Config

5

Compute Units

12

-

320

Shading Units

768

20

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.800 GPixel/s

Pixel Rate

17.20 GPixel/s

19.50 GTexel/s

Texture Rate

51.60 GTexel/s

-

624.0 GFLOPS

FP32 (float)

1.651 TFLOPS

39.00 GFLOPS

FP64 (double)

103.2 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Sun

GPU Name

Saturn

Sun S3 XT (216-0841009)

GPU Variant

Saturn XT

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

2.08 billion

56 mm²

Die Size

160 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.0

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.3

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