NVIDIA TITAN X Pascal vs AMD Radeon HD 6850 X2
We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA TITAN X Pascal 's Advantages
Released 4 years and 11 months late
Boost Clock1531MHz
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (480.4GB/s vs 134.4GB/s)
2624 additional rendering cores
Lower TDP (250W vs 254W)
Score
Benchmark
FP32 (float)
TITAN X Pascal
+614%
10.97 TFLOPS
Radeon HD 6850 X2
1.536 TFLOPS
Graphics Card
Aug 2016
Release Date
Sep 2011
GeForce 10
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1417 MHz
Base Clock
-
1531 MHz
Boost Clock
-
1251 MHz
Memory Clock
1050 MHz
Memory
12GB
Memory Size
2GB
GDDR5X
Memory Type
GDDR5
384bit
Memory Bus
256bit
480.4GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
12
28
SM Count
-
3584
Shading Units
960
224
TMUs
48
96
ROPs
32
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
8 KB (per CU)
3 MB
L2 Cache
512 KB
-
-
-
Theoretical Performance
147.0 GPixel/s
Pixel Rate
25.60 GPixel/s
342.9 GTexel/s
Texture Rate
38.40 GTexel/s
171.5 GFLOPS
FP16 (half)
-
10.97 TFLOPS
FP32 (float)
1.536 TFLOPS
342.9 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
254W
600 W
Suggested PSU
600 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
GP102
GPU Name
Barts
GP102-400-A1
GPU Variant
Barts PRO
(215-0798006)
Pascal
Architecture
TeraScale 2
TSMC
Foundry
TSMC
16 nm
Process Size
40 nm
11.8 billion
Transistors
1.7 billion
471 mm²
Die Size
255 mm²
Graphics Features
12 (12_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
3.0
OpenCL
1.2
1.3
Vulkan
N/A
6.1
CUDA
-
6.4
Shader Model
5.0
