AMD Radeon RX 6700M vs AMD Radeon HD 7490M

VS

AMD Radeon RX 6700M

AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 10GB VRAM Radeon RX 6700M and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700M 's Advantages

Released 9 years and 4 months late

Boost Clock2400MHz

More VRAM (10GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 30.40GB/s)

2144 additional rendering cores

AMD Radeon HD 7490M 's Advantages

Lower TDP (9W vs 135W)

Score

Benchmark

FP32 (float)

Radeon RX 6700M +4220%

11.06 TFLOPS

Radeon HD 7490M

0.256 TFLOPS

Radeon RX 6700M

VS

Radeon HD 7490M

Graphics Card

May 2021

Release Date

Jan 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1489 MHz

Base Clock

-

2400 MHz

Boost Clock

-

2000 MHz

Memory Clock

950 MHz

Memory

10GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

64bit

320.0GB/s

Bandwidth

30.40GB/s

Render Config

36

Compute Units

2

-

2304

Shading Units

160

144

TMUs

8

64

ROPs

4

-

36

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

3 MB

L2 Cache

128 KB

80 MB

L3 Cache

-

Theoretical Performance

153.6 GPixel/s

Pixel Rate

3.200 GPixel/s

345.6 GTexel/s

Texture Rate

6.400 GTexel/s

22.12 TFLOPS

FP16 (half)

-

11.06 TFLOPS

FP32 (float)

256.0 GFLOPS

691.2 GFLOPS

FP64 (double)

-

Board Design

135W

TDP

9W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

Seymour

Navi 22

GPU Variant

Seymour XTX (216-0810005)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

17.2 billion

Transistors

0.37 billion

335 mm²

Die Size

67 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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