AMD Radeon R9 270 1024SP vs NVIDIA GeForce GTX 480

Table of Contents

Graphics Processor

GPU model Pitcairn GF100
GPU variant Pitcairn PRO (215-0828062) GF100-375-A3
Architecture GCN 1.0 Fermi
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors 2,800 million 3,100 million
Die size 212 mm² 529 mm²

Graphics Card

Release date Mar 13th, 2015 Mar 26th, 2010
Generation Volcanic Islands GeForce 400
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 2.0 x16
Reviews 32 in our database 84 in our database
Predecessor Sea Islands GeForce 200
Successor Pirate Islands GeForce 500
Launch price 499 USD

Clocks

Base clock 900 MHz
Boost clock 925 MHz
Memory clock 1200 MHz 4.8 Gbps effective 924 MHz 3.7 Gbps effective
GPU clock 701 MHz
Shader clock 1401 MHz

Memory Configuration

Memory size 2 GB 1536 MB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 384 bit
Bandwidth 153.6 GB/s 177.4 GB/s

Render Configuration

Shading units 1024 480
TMUs 64 60
ROPs 32 48
Compute units 16
Cache L1 16 KB (per CU) 64 KB (per SM)
Cache L2 512 KB 768 KB
SM count 15

Performance

Pixel rate 29.60 GPixel/s 21.03 GPixel/s
Texture rate 59.20 GTexel/s 42.06 GTexel/s
FP32 (float) performance 1.894 TFLOPS 1,345 GFLOPS
FP64 (double) performance 118.4 GFLOPS (1:16) 168.1 GFLOPS (1:8)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
TDP 150 W 250 W
Suggested PSU 450 W 600 W
Outputs 2x DVI1x HDMI1x DisplayPort 2x DVI1x mini-HDMI
Power connectors 1x 6-pin 1x 6-pin + 1x 8-pin
Board number C403 P1022
Length 267 mm 10.5 inches

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 2.0

Other Features

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