NVIDIA GeForce RTX 4070 Mobile vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce RTX 4070 Mobile

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 Mobile and 256MB VRAM Radeon HD 6490M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 Mobile 's Advantages

Released 11 years and 8 months late

Boost Clock1695MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 25.41GB/s)

4448 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Mobile +6408%

15.62 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce RTX 4070 Mobile

VS

Radeon HD 6490M Mac Edition

Graphics Card

Jan 2023

Release Date

May 2011

GeForce 40 Mobile

Generation

Vancouver

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2000 MHz

Memory Clock

794 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

64bit

256.0GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

36

SM Count

-

4608

Shading Units

160

144

TMUs

8

48

ROPs

4

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

32 MB

L2 Cache

128 KB

-

Theoretical Performance

81.36 GPixel/s

Pixel Rate

3.000 GPixel/s

244.1 GTexel/s

Texture Rate

6.000 GTexel/s

15.62 TFLOPS

FP16 (half)

-

15.62 TFLOPS

FP32 (float)

240.0 GFLOPS

244.1 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

AD106

GPU Name

Seymour

GN21-X6

GPU Variant

Seymour XTX M2 (216-0809000)

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

0.37 billion

190 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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