AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce GTX 460 OEM

Table of Contents

Graphics Processor

GPU model Blackcomb GF104
GPU variant Blackcomb XT (216-0811000) GF104-325-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 212 mm² 332 mm²

Mobile graphics

Release date Aug 25th, 2011
Generation Vancouver (HD 6900M)
Production End-of-life
Interface MXM-B (3.0)
Predecessor Manhattan
Successor London

Clocks

GPU clock 680 MHz 650 MHz
Memory clock 900 MHz 3.6 Gbps effective 850 MHz 3.4 Gbps effective
Shader clock 1300 MHz

Memory Configuration

Memory size 2 GB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 115.2 GB/s 108.8 GB/s

Render Configuration

Shading units 960 336
TMUs 48 56
ROPs 32 32
Compute units 12
Cache L1 8 KB (per CU) 64 KB (per SM)
Cache L2 512 KB 512 KB
SM count 7

Performance

Pixel rate 21.76 GPixel/s 9.100 GPixel/s
Texture rate 32.64 GTexel/s 36.40 GTexel/s
FP32 (float) performance 1,306 GFLOPS 873.6 GFLOPS
FP64 (double) performance 72.80 GFLOPS (1:12)

Dimensions & Outputs

Slot width MXM Module Dual-slot
TDP 75 W 150 W
Outputs No outputs 2x DVI1x mini-HDMI
Power connectors None 2x 6-pin
Board number C296 P1041
Length 210 mm 8.3 inches
Suggested PSU 450 W

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

Graphics Card

Release date Oct 11th, 2010
Generation GeForce 400
Production End-of-life
Interface PCIe 2.0 x16
Reviews 154 in our database
Predecessor GeForce 200
Successor GeForce 500

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