ATI Mobility Radeon HD 3450 vs AMD Radeon HD 8970M

VS

ATI Mobility Radeon HD 3450

AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 4GB VRAM Radeon HD 8970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

Released 5 years and 4 months late

Boost Clock900MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 6.400GB/s)

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon HD 8970M +5660%

2.304 TFLOPS

Mobility Radeon HD 3450

VS

Radeon HD 8970M

Graphics Card

Jan 2008

Release Date

May 2013

M8x

Generation

Solar System

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

400 MHz

Memory Clock

1200 MHz

Memory

256MB

Memory Size

4GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

153.6GB/s

Render Config

2

Compute Units

20

-

40

Shading Units

1280

4

TMUs

80

4

ROPs

32

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

28.80 GPixel/s

2.000 GTexel/s

Texture Rate

72.00 GTexel/s

-

40.00 GFLOPS

FP32 (float)

2.304 TFLOPS

-

FP64 (double)

144.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

Neptune

M82-SCE XT (216-0707011)

GPU Variant

Neptune XT (216-0847000)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

2.8 billion

67 mm²

Die Size

212 mm²

Graphics Features

10.1

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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