GeForce RTX 4080 vs Radeon HD 3650
We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 and 256MB VRAM Radeon HD 3650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4080 's Advantages
Released 14 years and 8 months late
Boost Clock2505MHz
More VRAM (16GB vs 256GB)
Larger VRAM bandwidth (716.8GB/s vs 25.60GB/s)
9608 additional rendering cores
Radeon HD 3650 's Advantages
Lower TDP (65W vs 320W)
Score
Benchmark
FP32 (float)
GeForce RTX 4080
+27911%
48740
Radeon HD 3650
174
Graphics Card
Sep 2022
Release Date
Jan 2008
GeForce 40
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2205 MHz
Base Clock
-
2505 MHz
Boost Clock
-
1400 MHz
Memory Clock
800 MHz
Memory
16GB
Memory Size
256MB
GDDR6X
Memory Type
GDDR3
256bit
Memory Bus
128bit
716.8GB/s
Bandwidth
25.60GB/s
Render Config
-
Compute Units
3
76
SM Count
-
9728
Shading Units
120
304
TMUs
8
112
ROPs
4
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
-
64 MB
L2 Cache
128 KB
Theoretical Performance
280.6 GPixel/s
Pixel Rate
2.900 GPixel/s
761.5 GTexel/s
Texture Rate
5.800 GTexel/s
48.74 TFLOPS
FP16 (half)
-
48.74 TFLOPS
FP32 (float)
174.0 GFLOPS
761.5 GFLOPS
FP64 (double)
-
Board Design
320W
TDP
65W
700 W
Suggested PSU
250 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x S-Video
1x 16-pin
Power Connectors
None
Graphics Processor
AD103
GPU Name
RV635
AD103-300-A1
GPU Variant
RV635 PRO
(215-0682008)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
45.9 billion
Transistors
0.378 billion
379 mm²
Die Size
135 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
4.1
