AMD Radeon HD 6970 vs NVIDIA GRID K280Q

Table of Contents

Graphics Processor

GPU model Cayman GK104
GPU variant Cayman XT (215-0807007)
Architecture TeraScale 3 Kepler
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 2,640 million 3,540 million
Die size 389 mm² 294 mm²

Graphics Card

Release date Dec 14th, 2010 Jun 28th, 2013
Generation Northern Islands GRID
Production End-of-life End-of-life
Launch price 369 USD 1,875 USD
Interface PCIe 2.0 x16 PCIe 3.0 x16
Reviews 80 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 880 MHz 745 MHz
Memory clock 1375 MHz 5.5 Gbps effective 1250 MHz 5 Gbps effective

Memory Configuration

Memory size 2 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 176.0 GB/s 160.0 GB/s

Render Configuration

Shading units 1536 1536
TMUs 96 128
ROPs 32 32
Compute units 24
Cache L1 8 KB (per CU) 16 KB (per SMX)
Cache L2 512 KB 512 KB
SMX count 8

Performance

Pixel rate 28.16 GPixel/s 23.84 GPixel/s
Texture rate 84.48 GTexel/s 95.36 GTexel/s
FP32 (float) performance 2.703 TFLOPS 2.289 TFLOPS
FP64 (double) performance 675.8 GFLOPS (1:4) 95.36 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 286 mm 11.3 inches
Width 126 mm 5 inches
Height 42 mm 1.7 inches
TDP 250 W 225 W
Suggested PSU 600 W 550 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort No outputs
Power connectors 1x 6-pin + 1x 8-pin
Board number C200-47

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan 1.1
Shader model 5.0 5.1
CUDA 3.0

Other Features

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