AMD Radeon RX 640 Mobile vs NVIDIA GeForce RTX 3070 Max Q

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce RTX 3070 Max Q

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 8GB VRAM GeForce RTX 3070 Max Q 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 80W)

NVIDIA GeForce RTX 3070 Max Q 's Advantages

Released 1 years and 8 months late

Boost Clock has increased by 6% (1290MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 48.00GB/s)

4480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 3070 Max Q +747%

13.21 TFLOPS

Radeon RX 640 Mobile

VS

GeForce RTX 3070 Max Q

Graphics Card

May 2019

Release Date

Jan 2021

Mobility Radeon

Generation

GeForce 30 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1082 MHz

Base Clock

780 MHz

1218 MHz

Boost Clock

1290 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

384.0GB/s

Render Config

10

Compute Units

-

SM Count

40

640

Shading Units

5120

40

TMUs

160

16

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

103.2 GPixel/s

48.72 GTexel/s

Texture Rate

206.4 GTexel/s

1.559 TFLOPS

FP16 (half)

13.21 TFLOPS

1.559 TFLOPS

FP32 (float)

13.21 TFLOPS

97.44 GFLOPS

FP64 (double)

206.4 GFLOPS

Board Design

50W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

GA104

Polaris 23 XT

GPU Variant

GA104-770-A1

GCN 4.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

2.2 billion

Transistors

17.4 billion

103 mm²

Die Size

392 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

8.6

6.4

Shader Model

6.6

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