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GPU Comparison
NVIDIA GeForce RTX 3080 Ti 20 GB vs ATI Radeon HD 3850 X2
NVIDIA GeForce RTX 3080 Ti 20 GB vs ATI Radeon HD 3850 X2
VS
NVIDIA GeForce RTX 3080 Ti 20 GB
ATI Radeon HD 3850 X2
We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 512MB VRAM Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages
Released 13 years and 9 months late
Boost Clock1665MHz
Larger VRAM bandwidth (760.3GB/s vs 52.99GB/s)
9920 additional rendering cores
ATI Radeon HD 3850 X2 's Advantages
Lower TDP (140W vs 350W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 Ti 20 GB
+7867%
34.1 TFLOPS
Radeon HD 3850 X2
0.428 TFLOPS
GeForce RTX 3080 Ti 20 GB
VS
Radeon HD 3850 X2
Graphics Card
Jan 2022
Release Date
Apr 2008
GeForce 30
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1335 MHz
Base Clock
-
1665 MHz
Boost Clock
-
1188 MHz
Memory Clock
828 MHz
Memory
20GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR3
320bit
Memory Bus
256bit
760.3GB/s
Bandwidth
52.99GB/s
Render Config
80
SM Count
-
-
Compute Units
4
10240
Shading Units
320
320
TMUs
16
112
ROPs
16
320
Tensor Cores
-
80
RT Cores
-
128 KB (per SM)
L1 Cache
-
6 MB
L2 Cache
256 KB
Theoretical Performance
186.5 GPixel/s
Pixel Rate
10.70 GPixel/s
532.8 GTexel/s
Texture Rate
10.70 GTexel/s
34.10 TFLOPS
FP16 (half)
-
34.10 TFLOPS
FP32 (float)
428.2 GFLOPS
532.8 GFLOPS
FP64 (double)
85.63 GFLOPS
Graphics Processor
GA102
GPU Name
RV670
GA102-225-A1
GPU Variant
RV670 PRO (215-0708003)
Ampere
Architecture
TeraScale
Samsung
Foundry
TSMC
8 nm
Process Size
55 nm
28.3 billion
Transistors
0.666 billion
628 mm²
Die Size
192 mm²
Board Design
350W
TDP
140W
750 W
Suggested PSU
300 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
1x 12-pin
Power Connectors
-
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full) 4.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.6
CUDA
-
6.6
Shader Model
4.1
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