AMD Radeon R7 260X vs NVIDIA Tesla C870

Table of Contents

Graphics Processor

GPU model Bonaire G80
GPU variant Bonaire XTX (215-0839097)
Architecture GCN 2.0 Tesla
Foundry TSMC TSMC
Manufacturing process 28 nm 90 nm
Number of transistors 2,080 million 681 million
Die size 160 mm² 484 mm²

Graphics Card

Release date Oct 8th, 2013 May 2nd, 2007
Generation Volcanic Islands Tesla
Production End-of-life End-of-life
Launch price 139 USD 1,499 USD
Interface PCIe 3.0 x16 PCIe 1.0 x16
Reviews 29 in our database
Predecessor Sea Islands
Successor Pirate Islands

Clocks

GPU clock 1100 MHz 600 MHz
Memory clock 1625 MHz 6.5 Gbps effective 800 MHz 1600 Mbps effective
Shader clock 1350 MHz

Memory Configuration

Memory size 2 GB 1536 MB
Memory type GDDR5 GDDR3
Memory bus width 128 bit 384 bit
Bandwidth 104.0 GB/s 76.80 GB/s

Render Configuration

Shading units 896 128
TMUs 56 32
ROPs 16 24
Compute units 14
Cache L1 16 KB (per CU)
Cache L2 256 KB 96 KB
SM count 16

Performance

Pixel rate 17.60 GPixel/s 14.40 GPixel/s
Texture rate 61.60 GTexel/s 38.40 GTexel/s
FP32 (float) performance 1.971 TFLOPS 345.6 GFLOPS
FP64 (double) performance 123.2 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 170 mm 6.7 inches
TDP 115 W 171 W
Suggested PSU 300 W 450 W
Outputs 2x DVI1x HDMI1x DisplayPort No outputs
Power connectors 1x 6-pin 2x 6-pin
Board number C582 P357

API Support & Features

DirectX 12 (12_0) 11.1 (10_0)
OpenGL 4.6 3.3
OpenCL 2.0 1.1 (1.0)
Vulkan 1.2
Shader model 6.3 4.0
CUDA 1.0

Other Features

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