AMD Radeon HD 6870 vs NVIDIA Quadro K3100M

Table of Contents

Graphics Processor

GPU model Barts GK104
GPU variant Barts XT (215-0798000) N15E-Q1-A2
Architecture TeraScale 2 Kepler
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 1,700 million 3,540 million
Die size 255 mm² 294 mm²

Graphics Card

Release date Oct 21st, 2010
Generation Northern Islands
Production End-of-life
Launch price 239 USD
Interface PCIe 2.0 x16
Reviews 170 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 900 MHz 706 MHz
Memory clock 1050 MHz 4.2 Gbps effective 800 MHz 3.2 Gbps effective

Memory Configuration

Memory size 1024 MB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 134.4 GB/s 102.4 GB/s

Render Configuration

Shading units 1120 768
TMUs 56 64
ROPs 32 32
Compute units 14
Cache L1 8 KB (per CU) 16 KB (per SMX)
Cache L2 512 KB 512 KB
SMX count 4

Performance

Pixel rate 28.80 GPixel/s 11.30 GPixel/s
Texture rate 50.40 GTexel/s 45.18 GTexel/s
FP32 (float) performance 2.016 TFLOPS 1,084 GFLOPS
FP64 (double) performance 45.18 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 247 mm 9.7 inches
Width 111 mm 4.4 inches
Height 36 mm 1.4 inches
TDP 151 W 75 W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 2x 6-pin
Board number C222

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 3.0

Other Features

Mobile graphics

Release date Jul 23rd, 2013
Generation Quadro Mobile (Kx100M)
Production End-of-life
Interface MXM-B (3.0)
Reviews 26 in our database

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