AMD Radeon HD 6850 vs NVIDIA GeForce 945M

Table of Contents

Graphics Processor

GPU model Barts GM107
GPU variant Barts PRO (215-0798006)
Architecture TeraScale 2 Maxwell
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 1,700 million 1,870 million
Die size 255 mm² 148 mm²

Graphics Card

Release date Oct 21st, 2010
Generation Northern Islands
Production End-of-life
Launch price 179 USD
Interface PCIe 2.0 x16
Reviews 105 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 775 MHz
Memory clock 1000 MHz 4 Gbps effective 900 MHz 1800 Mbps effective
Base clock 928 MHz
Boost clock 1020 MHz

Memory Configuration

Memory size 1024 MB 2 GB
Memory type GDDR5 DDR3
Memory bus width 256 bit 128 bit
Bandwidth 128.0 GB/s 28.80 GB/s

Render Configuration

Shading units 960 640
TMUs 48 40
ROPs 32 16
Compute units 12
Cache L1 8 KB (per CU) 64 KB (per SMM)
Cache L2 512 KB 2 MB
SMM count 5

Performance

Pixel rate 24.80 GPixel/s 16.32 GPixel/s
Texture rate 37.20 GTexel/s 40.80 GTexel/s
FP32 (float) performance 1,488 GFLOPS 1,306 GFLOPS
FP64 (double) performance 40.80 GFLOPS (1:32)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 198 mm 7.8 inches
TDP 127 W 75 W
Suggested PSU 300 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 1x 6-pin
Board number C223

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan 1.1
Shader model 5.0 5.1
CUDA 5.0

Other Features

Mobile graphics

Release date Oct 27th, 2015
Generation GeForce 900M
Production End-of-life
Interface MXM-B (3.0)
Predecessor GeForce 800M
Successor GeForce 10 Mobile

Compare

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