AMD Radeon HD 6770 vs NVIDIA GeForce GTX 280

Table of Contents

Graphics Processor

GPU model Juniper GT200
GPU variant Juniper XT (215-0754013) G200-300-A2
Architecture TeraScale 2 Tesla 2.0
Foundry TSMC TSMC
Manufacturing process 40 nm 65 nm
Number of transistors 1,040 million 1,400 million
Die size 166 mm² 576 mm²

Graphics Card

Release date Jan 21st, 2011 Jun 16th, 2008
Generation Northern Islands GeForce 200
Production End-of-life End-of-life
Launch price 129 USD 649 USD
Interface PCIe 2.0 x16 PCIe 2.0 x16
Reviews 35 in our database 59 in our database
Predecessor Evergreen GeForce 9
Successor Southern Islands GeForce 400

Clocks

GPU clock 850 MHz 602 MHz
Memory clock 1200 MHz 4.8 Gbps effective 1107 MHz 2.2 Gbps effective
Shader clock 1296 MHz

Memory Configuration

Memory size 1024 MB 1024 MB
Memory type GDDR5 GDDR3
Memory bus width 128 bit 512 bit
Bandwidth 76.80 GB/s 141.7 GB/s

Render Configuration

Shading units 800 240
TMUs 40 80
ROPs 16 32
Compute units 10
Cache L1 8 KB (per CU)
Cache L2 256 KB 256 KB
SM count 30

Performance

Pixel rate 13.60 GPixel/s 19.26 GPixel/s
Texture rate 34.00 GTexel/s 48.16 GTexel/s
FP32 (float) performance 1,360 GFLOPS 622.1 GFLOPS
FP64 (double) performance 77.76 GFLOPS (1:8)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 198 mm 7.8 inches 267 mm 10.5 inches
TDP 108 W 236 W
Suggested PSU 300 W 550 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort 2x DVI1x S-Video
Power connectors 1x 6-pin 1x 6-pin + 1x 8-pin
Board number C010 P651

API Support & Features

DirectX 11.2 (11_0) 11.1 (10_0)
OpenGL 4.4 3.3
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 4.0
CUDA 1.3

Other Features

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