AMD Radeon HD 6850 X2 vs NVIDIA Quadro K5000 SYNC
GPU Specs Compare
Graphics Card
Release Date
Sep 2011
Jan 2013
Generation
Northern Islands
Quadro
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Clock Speeds
Memory Clock
1050 MHz
1350 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
134.4GB/s
172.8GB/s
Render Config
Compute Units
12
-
Shading Units
960
1536
TMUs
48
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
25.60 GPixel/s
22.59 GPixel/s
Texture Rate
38.40 GTexel/s
90.37 GTexel/s
FP32 (float)
1.536 TFLOPS
2.169 TFLOPS
FP64 (double)
-
90.37 GFLOPS
Graphics Processor
GPU Name
Barts
GK104
GPU Variant
Barts PRO(215-0798006)
-
Architecture
TeraScale 2
Kepler
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
1.7 billion
3.54 billion
Die Size
255 mm²
294 mm²
Board Design
TDP
254W
122W
Suggested PSU
600 W
300 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
2x DVI2x DisplayPort 1.21x SDI
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.1
Shader Model
5.0
5.1
CUDA
-
3.0