ATI Mobility Radeon HD 4670 vs AMD Radeon HD 8950M

VS

ATI Mobility Radeon HD 4670

AMD Radeon HD 8950M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 2GB VRAM Radeon HD 8950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 100W)

AMD Radeon HD 8950M 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (88.00GB/s vs 25.60GB/s)

448 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon HD 8950M +282%

1.651 TFLOPS

Mobility Radeon HD 4670

VS

Radeon HD 8950M

Graphics Card

Jan 2009

Release Date

May 2013

M9x

Generation

Solar System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1375 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

88.00GB/s

Render Config

4

Compute Units

12

-

320

Shading Units

768

32

TMUs

48

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

17.20 GPixel/s

21.60 GTexel/s

Texture Rate

51.60 GTexel/s

-

432.0 GFLOPS

FP32 (float)

1.651 TFLOPS

-

FP64 (double)

103.2 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

Saturn

M96 XT (216-0729051)

GPU Variant

Saturn XT

TeraScale

Architecture

GCN 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

2.08 billion

146 mm²

Die Size

160 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.0

N/A

Vulkan

1.2

-

4.1

Shader Model

6.3

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