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GPU Comparison
NVIDIA GeForce RTX 2080 Ti vs ATI Radeon HD 4855
NVIDIA GeForce RTX 2080 Ti vs ATI Radeon HD 4855
VS
NVIDIA GeForce RTX 2080 Ti
ATI Radeon HD 4855
We compared two Desktop platform GPUs: 11GB VRAM GeForce RTX 2080 Ti and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 2080 Ti 's Advantages
Released 8 years and 8 months late
Boost Clock1545MHz
Larger VRAM bandwidth (616.0GB/s vs 115.2GB/s)
3712 additional rendering cores
ATI Radeon HD 4855 's Advantages
Lower TDP (110W vs 250W)
Score
Benchmark
FP32 (float)
GeForce RTX 2080 Ti
+1727%
13.45 TFLOPS
Radeon HD 4855
0.736 TFLOPS
GeForce RTX 2080 Ti
VS
Radeon HD 4855
Graphics Card
Sep 2018
Release Date
Jan 2010
GeForce 20
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1350 MHz
Base Clock
-
1545 MHz
Boost Clock
-
1750 MHz
Memory Clock
900 MHz
Memory
11GB
Memory Size
512MB
GDDR6
Memory Type
GDDR5
352bit
Memory Bus
256bit
616.0GB/s
Bandwidth
115.2GB/s
Render Config
68
SM Count
-
-
Compute Units
8
4352
Shading Units
640
272
TMUs
32
88
ROPs
16
544
Tensor Cores
-
68
RT Cores
-
64 KB (per SM)
L1 Cache
16 KB (per CU)
0 MB
L2 Cache
256 KB
Theoretical Performance
136.0 GPixel/s
Pixel Rate
9.200 GPixel/s
420.2 GTexel/s
Texture Rate
18.40 GTexel/s
26.90 TFLOPS
FP16 (half)
-
13.45 TFLOPS
FP32 (float)
736.0 GFLOPS
420.2 GFLOPS
FP64 (double)
147.2 GFLOPS
Graphics Processor
TU102
GPU Name
RV770
TU102-300A-K1-A1
GPU Variant
RV770 PRO (215-0669065)
Turing
Architecture
TeraScale
TSMC
Foundry
TSMC
12 nm
Process Size
55 nm
18.6 billion
Transistors
0.956 billion
754 mm²
Die Size
256 mm²
Board Design
250W
TDP
110W
600 W
Suggested PSU
300 W
1x HDMI 2.0 3x DisplayPort 1.4a 1x USB Type-C
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
1x 6-pin
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
7.5
CUDA
-
6.6
Shader Model
4.1
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