Home GPU Comparison ATI Radeon HD 4855 vs NVIDIA GeForce GTX 1080 11Gbps

ATI Radeon HD 4855 vs NVIDIA GeForce GTX 1080 11Gbps

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4855 and 8GB VRAM GeForce GTX 1080 11Gbps to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4855 's Advantages
Lower TDP (110W vs 180W)
NVIDIA GeForce GTX 1080 11Gbps 's Advantages
Released 7 years and 3 months late
Boost Clock1733MHz
Larger VRAM bandwidth (352.3GB/s vs 115.2GB/s)
1920 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 4855
0.736 TFLOPS
GeForce GTX 1080 11Gbps +1105%
8.873 TFLOPS
VS

Graphics Card

Jan 2010
Release Date
Apr 2017
Radeon R700
Generation
GeForce 10
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
1607 MHz
-
Boost Clock
1733 MHz
900 MHz
Memory Clock
1376 MHz

Memory

512MB
Memory Size
8GB
GDDR5
Memory Type
GDDR5X
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
352.3GB/s

Render Config

-
SM Count
20
8
Compute Units
-
640
Shading Units
2560
32
TMUs
160
16
ROPs
64
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
48 KB (per SM)
256 KB
L2 Cache
2 MB

Theoretical Performance

9.200 GPixel/s
Pixel Rate
110.9 GPixel/s
18.40 GTexel/s
Texture Rate
277.3 GTexel/s
-
FP16 (half)
138.6 GFLOPS
736.0 GFLOPS
FP32 (float)
8.873 TFLOPS
147.2 GFLOPS
FP64 (double)
277.3 GFLOPS

Graphics Processor

RV770
GPU Name
GP104
RV770 PRO (215-0669065)
GPU Variant
GP104-410-A1
TeraScale
Architecture
Pascal
TSMC
Foundry
TSMC
55 nm
Process Size
16 nm
0.956 billion
Transistors
7.2 billion
256 mm²
Die Size
314 mm²

Board Design

110W
TDP
180W
300 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 8-pin

Graphics Features

10.1 (10_1)
DirectX
12 (12_1)
3.3
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
6.1
4.1
Shader Model
6.4

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