ATI Radeon HD 3870 AGP vs NVIDIA GeForce GTS 250M

Table of Contents

Graphics Processor

GPU model RV670 GT215
GPU variant RV670 XT (215-0708005) N10E-GE-A2
Architecture TeraScale Tesla 2.0
Foundry TSMC TSMC
Manufacturing process 55 nm 40 nm
Number of transistors 666 million 727 million
Die size 192 mm² 144 mm²

Graphics Card

Release date Never Released
Generation Radeon R600
Production End-of-life
Interface AGP 8x
Reviews 80 in our database
Predecessor Radeon R500 PCIe
Successor Radeon R700

Clocks

GPU clock 777 MHz 500 MHz
Memory clock 1126 MHz 2.3 Gbps effective 800 MHz 3.2 Gbps effective
Shader clock 1250 MHz

Memory Configuration

Memory size 512 MB 1024 MB
Memory type GDDR4 GDDR5
Memory bus width 256 bit 128 bit
Bandwidth 72.06 GB/s 51.20 GB/s

Render Configuration

Shading units 320 96
TMUs 16 32
ROPs 16 8
Compute units 4
Cache L2 256 KB 64 KB
SM count 12

Performance

Pixel rate 12.43 GPixel/s 4.000 GPixel/s
Texture rate 12.43 GTexel/s 16.00 GTexel/s
FP32 (float) performance 497.3 GFLOPS 240.0 GFLOPS
FP64 (double) performance 99.46 GFLOPS (1:5)

Dimensions & Outputs

Slot width Dual-slot
Length 241 mm 9.5 inches
TDP 106 W 28 W
Suggested PSU 300 W
Outputs 2x DVI1x S-Video No outputs
Power connectors 1x 8-pin

API Support & Features

DirectX 10.1 (10_1) 11.1 (10_1)
OpenGL 3.3 (full) 4.0 (partial) 3.3
OpenCL 1.1
Vulkan
Shader model 4.1 4.1
CUDA 1.2

Other Features

Mobile graphics

Release date Jun 15th, 2009
Generation GeForce 200M
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 100M
Successor GeForce 300M

Compare

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