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GPU Comparison
NVIDIA GeForce RTX 3080 12 GB vs ATI Radeon HD 3850 AGP
NVIDIA GeForce RTX 3080 12 GB vs ATI Radeon HD 3850 AGP
VS
NVIDIA GeForce RTX 3080 12 GB
ATI Radeon HD 3850 AGP
We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3080 12 GB and 512MB VRAM Radeon HD 3850 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 3080 12 GB 's Advantages
Released 14 years late
Boost Clock1710MHz
Larger VRAM bandwidth (912.4GB/s vs 52.99GB/s)
8640 additional rendering cores
ATI Radeon HD 3850 AGP 's Advantages
Lower TDP (75W vs 350W)
Score
Benchmark
FP32 (float)
GeForce RTX 3080 12 GB
+7058%
30.64 TFLOPS
Radeon HD 3850 AGP
0.428 TFLOPS
GeForce RTX 3080 12 GB
VS
Radeon HD 3850 AGP
Graphics Card
Jan 2022
Release Date
Jan 2008
GeForce 30
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
AGP 8x
Clock Speeds
1260 MHz
Base Clock
-
1710 MHz
Boost Clock
-
1188 MHz
Memory Clock
828 MHz
Memory
12GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR3
384bit
Memory Bus
256bit
912.4GB/s
Bandwidth
52.99GB/s
Render Config
70
SM Count
-
-
Compute Units
4
8960
Shading Units
320
280
TMUs
16
96
ROPs
16
280
Tensor Cores
-
70
RT Cores
-
128 KB (per SM)
L1 Cache
-
5 MB
L2 Cache
256 KB
Theoretical Performance
164.2 GPixel/s
Pixel Rate
10.69 GPixel/s
478.8 GTexel/s
Texture Rate
10.69 GTexel/s
30.64 TFLOPS
FP16 (half)
-
30.64 TFLOPS
FP32 (float)
427.5 GFLOPS
478.8 GFLOPS
FP64 (double)
85.50 GFLOPS
Graphics Processor
GA102
GPU Name
RV670
GA102-220-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
75W
750 W
Suggested PSU
250 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x S-Video
1x 12-pin
Power Connectors
1x 8-pin
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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