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

VS

AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce RTX 3070 Max Q

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

Main Differences

NVIDIA GeForce RTX 3070 Max Q 's Advantages

Released 9 years and 8 months late

Boost Clock1290MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (384.0GB/s vs 25.41GB/s)

4960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce RTX 3070 Max Q +5404%

13.21 TFLOPS

Radeon HD 6490M Mac Edition

VS

GeForce RTX 3070 Max Q

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

780 MHz

-

Boost Clock

1290 MHz

794 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

25.41GB/s

Bandwidth

384.0GB/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

103.2 GPixel/s

6.000 GTexel/s

Texture Rate

206.4 GTexel/s

-

FP16 (half)

13.21 TFLOPS

240.0 GFLOPS

FP32 (float)

13.21 TFLOPS

-

FP64 (double)

206.4 GFLOPS

Board Design

Unknown

TDP

80W

-

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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