AMD Radeon HD 8970M vs NVIDIA GeForce 8400M GS

VS

AMD Radeon HD 8970M

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8970M 's Advantages

Released 6 years late

Boost Clock900MHz

More VRAM (4GB vs 256GB)

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

1264 additional rendering cores

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M +8761%

2.304 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

Radeon HD 8970M

VS

GeForce 8400M GS

Graphics Card

May 2013

Release Date

May 2007

Solar System

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-I

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

20

Compute Units

-

SM Count

2

1280

Shading Units

16

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

1.600 GPixel/s

72.00 GTexel/s

Texture Rate

3.200 GTexel/s

-

2.304 TFLOPS

FP32 (float)

25.60 GFLOPS

144.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

11W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Neptune

GPU Name

G86

Neptune XT (216-0847000)

GPU Variant

NB8M-GS

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.8 billion

Transistors

0.21 billion

212 mm²

Die Size

127 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

5.1

Shader Model

4.0

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