AMD Radeon HD 7690M Rebrand vs AMD Radeon RX 640 Mobile

VS

AMD Radeon HD 7690M Rebrand AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7690M Rebrand and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7690M Rebrand 's Advantages

Lower TDP (20W vs 50W)

AMD Radeon RX 640 Mobile 's Advantages

Released 7 years and 4 months late

Boost Clock1218MHz

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (48.00GB/s vs 25.60GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7690M Rebrand

0.576 TFLOPS

Radeon RX 640 Mobile +170%

1.559 TFLOPS

Radeon HD 7690M Rebrand

VS

Radeon RX 640 Mobile

Graphics Card

Jan 2012

Release Date

May 2019

London

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

800 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

6

Compute Units

10

480

Shading Units

640

24

TMUs

40

8

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

19.49 GPixel/s

14.40 GTexel/s

Texture Rate

48.72 GTexel/s

-

FP16 (half)

1.559 TFLOPS

576.0 GFLOPS

FP32 (float)

1.559 TFLOPS

-

FP64 (double)

97.44 GFLOPS

Graphics Processor

Whistler

GPU Name

Polaris 23

Whistler XT (216-0810001)

GPU Variant

Polaris 23 XT

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

0.716 billion

Transistors

2.2 billion

104 mm²

Die Size

103 mm²

Board Design

20W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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