AMD Radeon HD 7850 vs NVIDIA GeForce 940MX

Graphics Processor

GPU model Pitcairn GM107
GPU variant Pitcairn PRO (215-0828062) N16S-GT1R
Architecture GCN 1.0 Maxwell
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 2,800 million 1,870 million
Die size 212 mm² 148 mm²

Graphics Card

Release date Mar 5th, 2012
Generation Southern Islands
Production End-of-life
Launch price 249 USD
Interface PCIe 3.0 x16
Reviews 71 in our database
Predecessor Northern Islands
Successor Sea Islands

Clocks

GPU clock 860 MHz
Memory clock 1200 MHz 4.8 Gbps effective 1253 MHz 5 Gbps effective
Base clock 795 MHz
Boost clock 861 MHz

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 64 bit
Bandwidth 153.6 GB/s 40.10 GB/s

Render Configuration

Shading units 1024 512
TMUs 64 32
ROPs 32 8
Compute units 16
Cache L1 16 KB (per CU) 64 KB (per SMM)
Cache L2 512 KB 1024 KB
SMM count 4

Performance

Pixel rate 27.52 GPixel/s 6.888 GPixel/s
Texture rate 55.04 GTexel/s 27.55 GTexel/s
FP32 (float) performance 1.761 TFLOPS 881.7 GFLOPS
FP64 (double) performance 110.1 GFLOPS (1:16) 27.55 GFLOPS (1:32)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 210 mm 8.3 inches
TDP 130 W 23 W
Suggested PSU 300 W
Outputs 1x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 1x 6-pin None
Board number C401-47

API Support & Features

DirectX 12 (11_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.1
Shader model 5.1 5.1
CUDA 5.0

Other Features

Mobile graphics

Release date Jun 28th, 2016
Generation GeForce 900M
Production End-of-life
Interface PCIe 3.0 x8
Predecessor GeForce 800M
Successor GeForce 10 Mobile

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