AMD Radeon HD 7970M vs NVIDIA GeForce 8400M GS

VS

AMD Radeon HD 7970M NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M 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 7970M 's Advantages

Released 4 years and 11 months late

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 7970M +8269%

2.176 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

Radeon HD 7970M

VS

GeForce 8400M GS

Graphics Card

Apr 2012

Release Date

May 2007

London

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-I

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

2

20

Compute Units

-

1280

Shading Units

16

80

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

1.600 GPixel/s

68.00 GTexel/s

Texture Rate

3.200 GTexel/s

-

FP16 (half)

-

2.176 TFLOPS

FP32 (float)

25.60 GFLOPS

136.0 GFLOPS

FP64 (double)

-

Graphics Processor

Wimbledon

GPU Name

G86

Wimbledon XT (216-0836036)

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

Board Design

100W

TDP

11W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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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