AMD Radeon HD 6990 vs NVIDIA GRID K260Q

Table of Contents

Graphics Processor

GPU model Antilles GK104
GPU variant Antilles XT (215-0807027)
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 Mar 8th, 2011 Jun 28th, 2013
Generation Northern Islands GRID
Production End-of-life End-of-life
Launch price 699 USD 937 USD
Interface PCIe 2.0 x16 PCIe 3.0 x16
Reviews 47 in our database
Predecessor Evergreen
Successor Southern Islands

Clocks

GPU clock 830 MHz 745 MHz
Memory clock 1250 MHz 5 Gbps effective 1250 MHz 5 Gbps effective

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 160.0 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 26.56 GPixel/s 23.84 GPixel/s
Texture rate 79.68 GTexel/s 95.36 GTexel/s
FP32 (float) performance 2.550 TFLOPS 2.289 TFLOPS
FP64 (double) performance 637.4 GFLOPS (1:4) 95.36 GFLOPS (1:24)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 310 mm 12.2 inches
Width 115 mm 4.5 inches
Height 40 mm 1.6 inches
TDP 375 W 225 W
Suggested PSU 750 W 550 W
Outputs 1x DVI4x mini-DisplayPort No outputs
Power connectors 2x 8-pin
Board number C206-47

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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