GeForce GTX TITAN BLACK vs Radeon HD 4855
We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX TITAN BLACK and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GTX TITAN BLACK 's Advantages
Released 4 years and 1 months late
Boost Clock980MHz
More VRAM (6GB vs 512GB)
Larger VRAM bandwidth (336.0GB/s vs 115.2GB/s)
2240 additional rendering cores
Radeon HD 4855 's Advantages
Lower TDP (110W vs 250W)
Score
Benchmark
FP32 (float)
GeForce GTX TITAN BLACK
+666%
5645
Radeon HD 4855
736
Graphics Card
Feb 2014
Release Date
Jan 2010
GeForce 700
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
889 MHz
Base Clock
-
980 MHz
Boost Clock
-
1750 MHz
Memory Clock
900 MHz
Memory
6GB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
336.0GB/s
Bandwidth
115.2GB/s
Render Config
-
Compute Units
8
2880
Shading Units
640
240
TMUs
32
48
ROPs
16
16 KB (per SMX)
L1 Cache
16 KB (per CU)
1536 KB
L2 Cache
256 KB
Theoretical Performance
58.80 GPixel/s
Pixel Rate
9.200 GPixel/s
235.2 GTexel/s
Texture Rate
18.40 GTexel/s
5.645 TFLOPS
FP32 (float)
736.0 GFLOPS
1.882 TFLOPS
FP64 (double)
147.2 GFLOPS
Board Design
250W
TDP
110W
600 W
Suggested PSU
300 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.3a
1x VGA
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
GK110B
GPU Name
RV770
GK110-430-B1
GPU Variant
RV770 PRO
(215-0669065)
Kepler
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
7.08 billion
Transistors
0.956 billion
561 mm²
Die Size
256 mm²
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.5
CUDA
-
5.1
Shader Model
4.1
