ATI FireGL V8650 vs ATI Radeon HD 3870 Mac Edition

Table of Contents

Graphics Processor

GPU model R600 RV670
GPU variant R600 V8650 (215RGIDKA13FG) RV670 XT (215-0708005)
Architecture TeraScale TeraScale
Foundry TSMC TSMC
Manufacturing process 80 nm 55 nm
Number of transistors 720 million 666 million
Die size 420 mm² 192 mm²

Graphics Card

Release date Aug 6th, 2007 Jun 12th, 2008
Generation FireGL Radeon R600
Production End-of-life End-of-life
Launch price 2,799 USD
Interface PCIe 1.0 x16 PCIe 2.0 x16
Reviews 5 in our database 80 in our database
Predecessor Radeon R500 PCIe
Successor Radeon R700

Clocks

GPU clock 688 MHz 777 MHz
Memory clock 868 MHz 1736 Mbps effective 1126 MHz 2.3 Gbps effective

Memory Configuration

Memory size 2 GB 512 MB
Memory type GDDR4 GDDR4
Memory bus width 512 bit 256 bit
Bandwidth 111.1 GB/s 72.06 GB/s

Render Configuration

Shading units 320 320
TMUs 16 16
ROPs 16 16
Compute units 4 4
Cache L2 256 KB 256 KB

Performance

Pixel rate 11.01 GPixel/s 12.43 GPixel/s
Texture rate 11.01 GTexel/s 12.43 GTexel/s
FP32 (float) performance 440.3 GFLOPS 497.3 GFLOPS
FP64 (double) performance 99.46 GFLOPS (1:5)

Dimensions & Outputs

Slot width Dual-slot Single-slot
Length 254 mm 10 inches 241 mm 9.5 inches
Width 111 mm 4.4 inches
TDP unknown 106 W
Suggested PSU 200 W 300 W
Outputs 2x DVI1x S-Video 2x DVI1x S-Video
Power connectors 1x 6-pin + 1x 8-pin 1x 6-pin
Board number B313

API Support & Features

DirectX 10.0 (10_0) 10.1 (10_1)
OpenGL 3.3 (full) 4.0 (partial) 3.3 (full) 4.0 (partial)
OpenCL
Vulkan
Shader model 4.0 4.1

Other Features

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