Home GPU Comparison AMD Radeon HD 6390 vs NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon HD 6390 vs NVIDIA GeForce RTX 3080 Ti 20 GB

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 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 HD 6390 's Advantages
Lower TDP (39W vs 350W)
NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages
Released 10 years and 6 months late
Boost Clock1665MHz
More VRAM (20GB vs 1024GB)
Larger VRAM bandwidth (760.3GB/s vs 16.00GB/s)
9920 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6390
0.352 TFLOPS
GeForce RTX 3080 Ti 20 GB +9587%
34.1 TFLOPS
VS

Graphics Card

Jul 2011
Release Date
Jan 2022
Northern Islands
Generation
GeForce 30
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
1335 MHz
-
Boost Clock
1665 MHz
500 MHz
Memory Clock
1188 MHz

Memory

1024MB
Memory Size
20GB
DDR2
Memory Type
GDDR6X
128bit
Memory Bus
320bit
16.00GB/s
Bandwidth
760.3GB/s

Render Config

4
Compute Units
-
-
SM Count
80
320
Shading Units
10240
16
TMUs
320
8
ROPs
112
-
Tensor Cores
320
-
RT Cores
80
8 KB (per CU)
L1 Cache
128 KB (per SM)
256 KB
L2 Cache
6 MB
-
-
-

Theoretical Performance

4.400 GPixel/s
Pixel Rate
186.5 GPixel/s
8.800 GTexel/s
Texture Rate
532.8 GTexel/s
-
FP16 (half)
34.10 TFLOPS
352.0 GFLOPS
FP32 (float)
34.10 TFLOPS
-
FP64 (double)
532.8 GFLOPS

Board Design

39W
TDP
350W
200 W
Suggested PSU
750 W
1x DVI 1x HDMI 1.3a 1x VGA
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
None
Power Connectors
1x 12-pin

Graphics Processor

Redwood
GPU Name
GA102
Redwood LE
GPU Variant
GA102-225-A1
TeraScale 2
Architecture
Ampere
TSMC
Foundry
Samsung
40 nm
Process Size
8 nm
0.627 billion
Transistors
28.3 billion
104 mm²
Die Size
628 mm²

Graphics Features

11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
8.6
5.0
Shader Model
6.6

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