AMD Radeon HD 7870M vs NVIDIA GeForce GTX 550 Ti

Table of Contents

Graphics Processor

GPU model Heathrow GF116
GPU variant Heathrow XT (216-0835033) GF116-400-A1
Architecture GCN 1.0 Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors 1,500 million 1,170 million
Die size 123 mm² 238 mm²

Mobile graphics

Release date Apr 24th, 2012
Generation London (HD 7800M)
Production End-of-life
Interface PCIe 3.0 x16
Predecessor Vancouver
Successor Solar System

Clocks

GPU clock 800 MHz 900 MHz
Memory clock 1000 MHz 4 Gbps effective 1026 MHz 4.1 Gbps effective
Shader clock 1800 MHz

Memory Configuration

Memory size 2 GB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 192 bit
Bandwidth 64.00 GB/s 98.50 GB/s

Render Configuration

Shading units 640 192
TMUs 40 32
ROPs 16 24
Compute units 10
Cache L1 16 KB (per CU) 64 KB (per SM)
Cache L2 256 KB 384 KB
SM count 4

Performance

Pixel rate 12.80 GPixel/s 7.200 GPixel/s
Texture rate 32.00 GTexel/s 28.80 GTexel/s
FP32 (float) performance 1,024 GFLOPS 691.2 GFLOPS
FP64 (double) performance 64.00 GFLOPS (1:16) 57.60 GFLOPS (1:12)

Dimensions & Outputs

TDP 45 W 116 W
Outputs No outputs 2x DVI1x mini-HDMI
Slot width Dual-slot
Length 210 mm 8.3 inches
Suggested PSU 300 W
Power connectors 1x 6-pin
Board number P1050

API Support & Features

DirectX 12 (11_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.2 1.1
Vulkan 1.2
Shader model 5.1 5.1
CUDA 2.1

Other Features

Graphics Card

Release date Mar 15th, 2011
Generation GeForce 500
Production End-of-life
Launch price 149 USD
Interface PCIe 2.0 x16
Reviews 62 in our database
Predecessor GeForce 400
Successor GeForce 600

Compare

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