NVIDIA GeForce GTX 650 Ti Boost vs AMD Radeon HD 6850 X2
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
Sep 2011
Generation
GeForce 600
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
980 MHz
—
Boost Clock
1032 MHz
—
Memory Clock
1502 MHz
1050 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
144.2GB/s
134.4GB/s
Render Config
Shading Units
768
960
TMUs
64
48
ROPs
24
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
384 KB
512 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
16.51 GPixel/s
25.60 GPixel/s
Texture Rate
66.05 GTexel/s
38.40 GTexel/s
FP32 (float)
1.585 TFLOPS
1.536 TFLOPS
FP64 (double)
66.05 GFLOPS
—
Graphics Processor
GPU Name
GK106
Barts
GPU Variant
GK106-240-A1
Barts PRO(215-0798006)
Architecture
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
2.54 billion
1.7 billion
Die Size
221 mm²
255 mm²
Board Design
TDP
134W
254W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
1x 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.