AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 765M

Table of Contents

Graphics Processor

GPU model Polaris 23 GK106
GPU variant Polaris 23 XT N14E-GE-B-A1
Architecture GCN 4.0 Kepler
Foundry GlobalFoundries TSMC
Manufacturing process 14 nm 28 nm
Number of transistors 2,200 million 2,540 million
Die size 103 mm² 221 mm²

Mobile graphics

Release date May 13th, 2019 May 30th, 2013
Generation Mobility Radeon (M600) GeForce 700M
Production Active End-of-life
Interface PCIe 3.0 x8 MXM-B (3.0)
Predecessor Crystal System GeForce 600M
Successor GeForce 800M

Clocks

Base clock 1082 MHz 797 MHz
Boost clock 1218 MHz 863 MHz
Memory clock 1500 MHz 6 Gbps effective 1002 MHz 4 Gbps effective

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 64 bit 128 bit
Bandwidth 48.00 GB/s 64.13 GB/s

Render Configuration

Shading units 640 768
TMUs 40 64
ROPs 16 16
Compute units 10
Cache L1 16 KB (per CU) 16 KB (per SMX)
Cache L2 512 KB 256 KB
SMX count 4

Performance

Pixel rate 19.49 GPixel/s 13.81 GPixel/s
Texture rate 48.72 GTexel/s 55.23 GTexel/s
FP16 (half) performance 1.559 TFLOPS (1:1)
FP32 (float) performance 1.559 TFLOPS 1,326 GFLOPS
FP64 (double) performance 97.44 GFLOPS (1:16) 55.23 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot MXM Module
TDP 50 W 75 W
Outputs No outputs No outputs
Power connectors None

API Support & Features

DirectX 12 (12_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.2 1.1
Shader model 6.4 5.1
CUDA 3.0

Other Features

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