AMD Radeon RX 640 Mobile vs NVIDIA GeForce RTX 2070 Mobile Refresh

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce RTX 2070 Mobile Refresh

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 8GB VRAM GeForce RTX 2070 Mobile Refresh 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 115W)

NVIDIA GeForce RTX 2070 Mobile Refresh 's Advantages

Released 10 months late

Boost Clock has increased by 19% (1455MHz vs 1218MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (352.0GB/s vs 48.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 2070 Mobile Refresh +330%

6.705 TFLOPS

Radeon RX 640 Mobile

VS

GeForce RTX 2070 Mobile Refresh

Graphics Card

May 2019

Release Date

Mar 2020

Mobility Radeon

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

1260 MHz

1218 MHz

Boost Clock

1455 MHz

1500 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

352.0GB/s

Render Config

10

Compute Units

-

SM Count

36

640

Shading Units

2304

40

TMUs

144

16

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

4 MB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

93.12 GPixel/s

48.72 GTexel/s

Texture Rate

209.5 GTexel/s

1.559 TFLOPS

FP16 (half)

13.41 TFLOPS

1.559 TFLOPS

FP32 (float)

6.705 TFLOPS

97.44 GFLOPS

FP64 (double)

209.5 GFLOPS

Board Design

50W

TDP

115W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

TU106B

Polaris 23 XT

GPU Variant

-

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

2.2 billion

Transistors

10.8 billion

103 mm²

Die Size

445 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

7.5

6.4

Shader Model

6.6

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