AMD Radeon HD 6490M vs AMD Radeon RX 6700M

VS

AMD Radeon HD 6490M

AMD Radeon RX 6700M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 10GB VRAM Radeon RX 6700M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6700M 's Advantages

Released 10 years and 4 months late

Boost Clock2400MHz

More VRAM (10GB vs 512GB)

Larger VRAM bandwidth (320.0GB/s vs 25.60GB/s)

2144 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon RX 6700M +4220%

11.06 TFLOPS

Radeon HD 6490M

VS

Radeon RX 6700M

Graphics Card

Jan 2011

Release Date

May 2021

Vancouver

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1489 MHz

-

Boost Clock

2400 MHz

800 MHz

Memory Clock

2000 MHz

Memory

512MB

Memory Size

10GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

160bit

25.60GB/s

Bandwidth

320.0GB/s

Render Config

2

Compute Units

36

-

160

Shading Units

2304

8

TMUs

144

4

ROPs

64

-

RT Cores

36

8 KB (per CU)

L1 Cache

128 KB per Array

128 KB

L2 Cache

3 MB

-

L3 Cache

80 MB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

153.6 GPixel/s

6.400 GTexel/s

Texture Rate

345.6 GTexel/s

-

FP16 (half)

22.12 TFLOPS

256.0 GFLOPS

FP32 (float)

11.06 TFLOPS

-

FP64 (double)

691.2 GFLOPS

Board Design

Unknown

TDP

135W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

Navi 22

Seymour XTX S3 (216-0809024)

GPU Variant

Navi 22

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.37 billion

Transistors

17.2 billion

67 mm²

Die Size

335 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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