NVIDIA GeForce RTX 4090 Mobile vs AMD Radeon HD 7690M XT

VS

NVIDIA GeForce RTX 4090 Mobile AMD Radeon HD 7690M XT

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 2GB VRAM Radeon HD 7690M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Mobile 's Advantages

Released 10 years late

Boost Clock1695MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (576.0GB/s vs 57.60GB/s)

9248 additional rendering cores

AMD Radeon HD 7690M XT 's Advantages

Lower TDP (25W vs 120W)

Score

Benchmark

FP32 (float)

GeForce RTX 4090 Mobile +4638%

32.98 TFLOPS

Radeon HD 7690M XT

0.696 TFLOPS

GeForce RTX 4090 Mobile

VS

Radeon HD 7690M XT

Graphics Card

Jan 2023

Release Date

Jan 2013

GeForce 40 Mobile

Generation

London

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1335 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2250 MHz

Memory Clock

900 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

576.0GB/s

Bandwidth

57.60GB/s

Render Config

76

SM Count

-

Compute Units

6

9728

Shading Units

480

304

TMUs

24

112

ROPs

8

304

Tensor Cores

-

76

RT Cores

-

128 KB (per SM)

L1 Cache

8 KB (per CU)

64 MB

L2 Cache

256 KB

Theoretical Performance

189.8 GPixel/s

Pixel Rate

5.800 GPixel/s

515.3 GTexel/s

Texture Rate

17.40 GTexel/s

32.98 TFLOPS

FP16 (half)

-

32.98 TFLOPS

FP32 (float)

696.0 GFLOPS

515.3 GFLOPS

FP64 (double)

-

Graphics Processor

AD103

GPU Name

Thames

GN21-X11

GPU Variant

Thames XTX

Ada Lovelace

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

45.9 billion

Transistors

0.716 billion

379 mm²

Die Size

104 mm²

Board Design

120W

TDP

25W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

8.9

CUDA

-

6.7

Shader Model

5.0

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