AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce RTX 3070 Mobile

VS

AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce RTX 3070 Mobile

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 8GB VRAM GeForce RTX 3070 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3070 Mobile 's Advantages

Released 9 years and 8 months late

Boost Clock1560MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 25.41GB/s)

4960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce RTX 3070 Mobile +6554%

15.97 TFLOPS

Radeon HD 6490M Mac Edition

VS

GeForce RTX 3070 Mobile

Graphics Card

May 2011

Release Date

Jan 2021

Vancouver

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1110 MHz

-

Boost Clock

1560 MHz

794 MHz

Memory Clock

1750 MHz

Memory

256MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

25.41GB/s

Bandwidth

448.0GB/s

Render Config

2

Compute Units

-

SM Count

40

160

Shading Units

5120

8

TMUs

160

4

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

8 KB (per CU)

L1 Cache

128 KB (per SM)

128 KB

L2 Cache

4 MB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

124.8 GPixel/s

6.000 GTexel/s

Texture Rate

249.6 GTexel/s

-

FP16 (half)

15.97 TFLOPS

240.0 GFLOPS

FP32 (float)

15.97 TFLOPS

-

FP64 (double)

249.6 GFLOPS

Board Design

Unknown

TDP

115W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GA104

Seymour XTX M2 (216-0809000)

GPU Variant

GA104-770-A1

TeraScale 2

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

0.37 billion

Transistors

17.4 billion

67 mm²

Die Size

392 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

8.6

5.0

Shader Model

6.6

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