AMD Radeon HD 8970M vs ATI Mobility Radeon HD 3450

VS

AMD Radeon HD 8970M ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 256MB VRAM Mobility Radeon HD 3450 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

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

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8970M +5660%

2.304 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon HD 8970M

VS

Mobility Radeon HD 3450

Graphics Card

May 2013

Release Date

Jan 2008

Solar System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

20

Compute Units

2

1280

Shading Units

40

80

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.000 GPixel/s

72.00 GTexel/s

Texture Rate

2.000 GTexel/s

-

FP16 (half)

-

2.304 TFLOPS

FP32 (float)

40.00 GFLOPS

144.0 GFLOPS

FP64 (double)

-

Graphics Processor

Neptune

GPU Name

M82

Neptune XT (216-0847000)

GPU Variant

M82-SCE XT (216-0707011)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.181 billion

212 mm²

Die Size

67 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

10.1

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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