Product Compare

NVIDIA GeForce GTX 670 vs AMD Radeon HD 6990

GPU GPU
Graphics Card
Release Date May 2012 Mar 2011
Generation GeForce 600 Northern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 915 MHz
Boost Clock 980 MHz
Memory Clock 1502 MHz 1250 MHz
Memory
Memory Size 2GB 2GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 192.3GB/s 160.0GB/s
Render Config
Shading Units 1344 1536
TMUs 112 96
ROPs 32 32
L1 Cache 16 KB (per SMX) 8 KB (per CU)
L2 Cache 512 KB 512 KB
Compute Units 24
Theoretical Performance
Pixel Rate 27.44 GPixel/s 26.56 GPixel/s
Texture Rate 109.8 GTexel/s 79.68 GTexel/s
FP32 (float) 2.634 TFLOPS 2.550 TFLOPS
FP64 (double) 109.8 GFLOPS 637.4 GFLOPS
Graphics Processor
GPU Name GK104 Antilles
GPU Variant GK104-325-A2 Antilles XT(215-0807027)
Architecture Kepler TeraScale 3
Foundry TSMC TSMC
Process Size 28 nm 40 nm
Transistors 3.54 billion 2.64 billion
Die Size 294 mm² 389 mm²
Board Design
TDP 170W 375W
Suggested PSU 450 W 750 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 1x DVI4x mini-DisplayPort 1.2
Power Connectors 2x 6-pin 2x 8-pin
Graphics Features
DirectX 12 (11_0) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 3.0 1.2
Vulkan 1.1 N/A
CUDA 3.0
Shader Model 5.1 5.0