AMD Radeon HD 7490M vs NVIDIA GeForce 8400M GT

VS

AMD Radeon HD 7490M NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7490M and 512MB VRAM GeForce 8400M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7490M 's Advantages

Released 4 years and 8 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (30.40GB/s vs 19.20GB/s)

144 additional rendering cores

Lower TDP (9W vs 14W)

Score

Benchmark

FP32 (float)

Radeon HD 7490M +782%

0.256 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

Radeon HD 7490M

VS

GeForce 8400M GT

Graphics Card

Jan 2012

Release Date

May 2007

London

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

950 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

30.40GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

2

Compute Units

-

160

Shading Units

16

8

TMUs

8

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

1.800 GPixel/s

6.400 GTexel/s

Texture Rate

3.600 GTexel/s

-

FP16 (half)

-

256.0 GFLOPS

FP32 (float)

28.80 GFLOPS

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

G86

Seymour XTX (216-0810005)

GPU Variant

G86-603-A2

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.37 billion

Transistors

0.21 billion

67 mm²

Die Size

127 mm²

Board Design

9W

TDP

14W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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