NVIDIA TITAN X Pascal vs ATI Radeon HD 4855
We compared two Desktop platform GPUs: 12GB VRAM TITAN X Pascal and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA TITAN X Pascal 's Advantages
Released 6 years and 7 months late
Boost Clock1531MHz
More VRAM (12GB vs 512GB)
Larger VRAM bandwidth (480.4GB/s vs 115.2GB/s)
2944 additional rendering cores
ATI Radeon HD 4855 's Advantages
Lower TDP (110W vs 250W)
Score
Benchmark
FP32 (float)
TITAN X Pascal
+1390%
10.97 TFLOPS
Radeon HD 4855
0.736 TFLOPS
Graphics Card
Aug 2016
Release Date
Jan 2010
GeForce 10
Generation
Radeon R700
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
900 MHz
Memory
12GB
Memory Size
512MB
GDDR5X
Memory Type
GDDR5
384bit
Memory Bus
256bit
480.4GB/s
Bandwidth
115.2GB/s
Render Config
-
Compute Units
8
28
SM Count
-
3584
Shading Units
640
224
TMUs
32
96
ROPs
16
-
-
-
-
-
-
48 KB (per SM)
L1 Cache
16 KB (per CU)
3 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
147.0 GPixel/s
Pixel Rate
9.200 GPixel/s
342.9 GTexel/s
Texture Rate
18.40 GTexel/s
171.5 GFLOPS
FP16 (half)
-
10.97 TFLOPS
FP32 (float)
736.0 GFLOPS
342.9 GFLOPS
FP64 (double)
147.2 GFLOPS
Board Design
250W
TDP
110W
600 W
Suggested PSU
300 W
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GP102
GPU Name
RV770
GP102-400-A1
GPU Variant
RV770 PRO
(215-0669065)
Pascal
Architecture
TeraScale
TSMC
Foundry
TSMC
16 nm
Process Size
55 nm
11.8 billion
Transistors
0.956 billion
471 mm²
Die Size
256 mm²
Graphics Features
12 (12_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
6.1
CUDA
-
6.4
Shader Model
4.1
