Home GPU Comparison AMD Radeon R9 255 OEM vs NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon R9 255 OEM vs NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 20GB VRAM GeForce RTX 3080 Ti 20 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages
Lower TDP (65W vs 350W)
NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages
Released 8 years and 1 months late
Boost Clock has increased by 79% (1665MHz vs 930MHz)
More VRAM (20GB vs 2GB)
Larger VRAM bandwidth (760.3GB/s vs 73.60GB/s)
9728 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 255 OEM
0.952 TFLOPS
GeForce RTX 3080 Ti 20 GB +3481%
34.1 TFLOPS
VS

Graphics Card

Dec 2013
Release Date
Jan 2022
Volcanic Islands
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

900 MHz
Base Clock
1335 MHz
930 MHz
Boost Clock
1665 MHz
1150 MHz
Memory Clock
1188 MHz

Memory

2GB
Memory Size
20GB
GDDR5
Memory Type
GDDR6X
128bit
Memory Bus
320bit
73.60GB/s
Bandwidth
760.3GB/s

Render Config

8
Compute Units
-
-
SM Count
80
512
Shading Units
10240
32
TMUs
320
16
ROPs
112
-
Tensor Cores
320
-
RT Cores
80
16 KB (per CU)
L1 Cache
128 KB (per SM)
256 KB
L2 Cache
6 MB
-
-
-

Theoretical Performance

14.88 GPixel/s
Pixel Rate
186.5 GPixel/s
29.76 GTexel/s
Texture Rate
532.8 GTexel/s
-
FP16 (half)
34.10 TFLOPS
952.3 GFLOPS
FP32 (float)
34.10 TFLOPS
59.52 GFLOPS
FP64 (double)
532.8 GFLOPS

Board Design

65W
TDP
350W
250 W
Suggested PSU
750 W
No outputs
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 6-pin
Power Connectors
1x 12-pin

Graphics Processor

Cape Verde
GPU Name
GA102
Cape Verde PRX
GPU Variant
GA102-225-A1
GCN 1.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
1.5 billion
Transistors
28.3 billion
123 mm²
Die Size
628 mm²

Graphics Features

12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.6
5.1
Shader Model
6.6

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