AMD Radeon RX 640 Mobile vs NVIDIA RTX 4000 Mobile Ada Generation

VS

AMD Radeon RX 640 Mobile

NVIDIA RTX 4000 Mobile Ada Generation

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 12GB VRAM RTX 4000 Mobile Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Lower TDP (50W vs 110W)

NVIDIA RTX 4000 Mobile Ada Generation 's Advantages

Released 3 years and 10 months late

Boost Clock has increased by 37% (1665MHz vs 1218MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (432.0GB/s vs 48.00GB/s)

6784 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

RTX 4000 Mobile Ada Generation +1485%

24.72 TFLOPS

Radeon RX 640 Mobile

VS

RTX 4000 Mobile Ada Generation

Graphics Card

May 2019

Release Date

Mar 2023

Mobility Radeon

Generation

Quadro Ada-M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1082 MHz

Base Clock

1290 MHz

1218 MHz

Boost Clock

1665 MHz

1500 MHz

Memory Clock

2250 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

192bit

48.00GB/s

Bandwidth

432.0GB/s

Render Config

10

Compute Units

-

SM Count

58

640

Shading Units

7424

40

TMUs

232

16

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

48 MB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

133.2 GPixel/s

48.72 GTexel/s

Texture Rate

386.3 GTexel/s

1.559 TFLOPS

FP16 (half)

24.72 TFLOPS

1.559 TFLOPS

FP32 (float)

24.72 TFLOPS

97.44 GFLOPS

FP64 (double)

386.3 GFLOPS

Board Design

50W

TDP

110W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

AD104

Polaris 23 XT

GPU Variant

-

GCN 4.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

5 nm

2.2 billion

Transistors

35.8 billion

103 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.4

Shader Model

6.7

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