AMD Radeon HD 6870 X2 vs NVIDIA GeForce GTX 460

Table of Contents

Graphics Processor

GPU model Barts GF104
GPU variant Barts XT (215-0798000) GF104-300-KB-A1
Architecture TeraScale 2 Fermi
Foundry TSMC TSMC
Manufacturing process 40 nm 40 nm
Number of transistors 1,700 million 1,950 million
Die size 255 mm² 332 mm²

Graphics Card

Release date Jul 8th, 2011 Jul 12th, 2010
Generation Northern Islands GeForce 400
Production End-of-life End-of-life
Launch price 520 USD 199 USD
Interface PCIe 2.0 x16 PCIe 2.0 x16
Reviews 170 in our database 154 in our database
Predecessor Evergreen GeForce 200
Successor Southern Islands GeForce 500

Clocks

GPU clock 900 MHz 675 MHz
Memory clock 1050 MHz 4.2 Gbps effective 900 MHz 3.6 Gbps effective
Shader clock 1350 MHz

Memory Configuration

Memory size 1024 MB 768 MB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 192 bit
Bandwidth 134.4 GB/s 86.40 GB/s

Render Configuration

Shading units 1120 336
TMUs 56 56
ROPs 32 24
Compute units 14
Cache L1 8 KB (per CU) 64 KB (per SM)
Cache L2 512 KB 384 KB
SM count 7

Performance

Pixel rate 28.80 GPixel/s 9.450 GPixel/s
Texture rate 50.40 GTexel/s 37.80 GTexel/s
FP32 (float) performance 2.016 TFLOPS 907.2 GFLOPS
FP64 (double) performance 75.60 GFLOPS (1:12)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 304 mm 12 inches 210 mm 8.3 inches
TDP 300 W 160 W
Suggested PSU 700 W 450 W
Outputs 2x DVI1x HDMI2x mini-DisplayPort 2x DVI1x mini-HDMI

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 5.1
CUDA 2.1

Other Features

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