AMD Radeon HD 6870 1600SP Edition vs ATI Radeon HD 5870 Mac Edition

Table of Contents

Graphics Processor

GPU model Cypress Cypress
GPU variant Cypress XT (215-0735033) Cypress XT (215-0735033)
Architecture TeraScale 2 TeraScale 2
Foundry TSMC TSMC
Manufacturing process 40 nm 40 nm
Number of transistors 2,154 million 2,154 million
Die size 334 mm² 334 mm²

Graphics Card

Release date Jan 14th, 2013 Jun 30th, 2010
Generation Northern Islands Evergreen
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 2.0 x16
Reviews 170 in our database 171 in our database
Predecessor Evergreen Radeon R700
Successor Southern Islands Northern Islands
Launch price 479 USD

Clocks

GPU clock 850 MHz 850 MHz
Memory clock 1050 MHz 4.2 Gbps effective 1195 MHz 4.8 Gbps effective

Memory Configuration

Memory size 1024 MB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 134.4 GB/s 153.0 GB/s

Render Configuration

Shading units 1600 1600
TMUs 80 80
ROPs 32 32
Compute units 20 20
Cache L1 8 KB (per CU) 8 KB (per CU)
Cache L2 512 KB 512 KB

Performance

Pixel rate 27.20 GPixel/s 27.20 GPixel/s
Texture rate 68.00 GTexel/s 68.00 GTexel/s
FP32 (float) performance 2.720 TFLOPS 2.720 TFLOPS
FP64 (double) performance 544.0 GFLOPS (1:5) 544.0 GFLOPS (1:5)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 282 mm 11.1 inches 279 mm 11 inches
TDP 175 W 228 W
Suggested PSU 450 W 550 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort 1x DVI2x mini-DisplayPort
Power connectors 2x 6-pin 2x 6-pin
Board number C008, E140 C078

API Support & Features

DirectX 11.2 (11_0) 11.2 (11_0)
OpenGL 4.4 4.4
OpenCL 1.2 1.2
Vulkan
Shader model 5.0 5.0

Other Features

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