AMD Radeon HD 7870 GHz Edition vs AMD Radeon R7 370

Table of Contents

Graphics Processor

GPU model Pitcairn Trinidad
GPU variant Pitcairn XT (215-0828047) Trinidad PRO (215-0870020)
Architecture GCN 1.0 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 2,800 million 2,800 million
Die size 212 mm² 212 mm²

Graphics Card

Release date Mar 5th, 2012 Jun 18th, 2015
Generation Southern Islands Pirate Islands
Production End-of-life End-of-life
Launch price 349 USD 149 USD
Interface PCIe 3.0 x16 PCIe 3.0 x16
Reviews 95 in our database 21 in our database
Predecessor Northern Islands Volcanic Islands
Successor Sea Islands Arctic Islands

Clocks

GPU clock 1000 MHz
Memory clock 1200 MHz 4.8 Gbps effective 1400 MHz 5.6 Gbps effective
Base clock 925 MHz
Boost clock 975 MHz

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 153.6 GB/s 179.2 GB/s

Render Configuration

Shading units 1280 1024
TMUs 80 64
ROPs 32 32
Compute units 20 16
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 512 KB 512 KB

Performance

Pixel rate 32.00 GPixel/s 31.20 GPixel/s
Texture rate 80.00 GTexel/s 62.40 GTexel/s
FP32 (float) performance 2.560 TFLOPS 1.997 TFLOPS
FP64 (double) performance 160.0 GFLOPS (1:16) 124.8 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 241 mm 9.5 inches 152 mm 6 inches
TDP 175 W 110 W
Suggested PSU 450 W 300 W
Outputs 1x DVI1x HDMI2x mini-DisplayPort 2x DVI1x HDMI1x DisplayPort
Power connectors 2x 6-pin 1x 6-pin
Board number C401-47 C631, C634

API Support & Features

DirectX 12 (11_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.2 1.2
Shader model 5.1 5.1

Other Features

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