AMD Radeon HD 6850 vs NVIDIA GeForce GTX TITAN X
GPU · Specs Compare
Graphics Card
Release Date
Oct 2010
Mar 2015
Generation
Northern Islands
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1000 MHz
1753 MHz
Base Clock
—
1000 MHz
Boost Clock
—
1089 MHz
Memory
Memory Size
1024MB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
128.0GB/s
336.6GB/s
Render Config
Compute Units
12
—
Shading Units
960
3072
TMUs
48
192
ROPs
32
96
L1 Cache
8 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
3 MB
Theoretical Performance
Pixel Rate
24.80 GPixel/s
104.5 GPixel/s
Texture Rate
37.20 GTexel/s
209.1 GTexel/s
FP32 (float)
1488 GFLOPS
6.691 TFLOPS
FP64 (double)
—
209.1 GFLOPS
Graphics Processor
GPU Name
Barts
GM200
GPU Variant
Barts PRO(215-0798006)
GM200-400-A1
Architecture
TeraScale 2
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
1.7 billion
8 billion
Die Size
255 mm²
601 mm²
Board Design
TDP
127W
250W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.4
CUDA
—
5.2
Benchmark
3DMark Time Spy
—
5,418
3DMark Time Spy Extreme
—
2,632
Blender
—
543
▲ Specs Compare
Data sourced from official specifications and benchmark tests.