AMD Radeon HD 6490M vs NVIDIA GeForce GT 120M Mac Edition

VS

AMD Radeon HD 6490M NVIDIA GeForce GT 120M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 256MB VRAM GeForce GT 120M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M 's Advantages

Released 2 years and 1 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 25.34GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M +220%

0.256 TFLOPS

GeForce GT 120M Mac Edition

0.08 TFLOPS

Radeon HD 6490M

VS

GeForce GT 120M Mac Edition

Graphics Card

Jan 2011

Release Date

Dec 2008

Vancouver

Generation

GeForce 100M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

792 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

25.34GB/s

Render Config

-

SM Count

4

2

Compute Units

-

160

Shading Units

32

8

TMUs

16

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

4.000 GPixel/s

6.400 GTexel/s

Texture Rate

8.000 GTexel/s

-

FP16 (half)

-

256.0 GFLOPS

FP32 (float)

80.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

G96C

Seymour XTX S3 (216-0809024)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.314 billion

67 mm²

Die Size

121 mm²

Board Design

Unknown

TDP

14W

-

Suggested PSU

-

Portable Device Dependent

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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