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GPU Comparison
NVIDIA GeForce RTX 4090 vs ATI Radeon HD 3850 X3
NVIDIA GeForce RTX 4090 vs ATI Radeon HD 3850 X3
VS
NVIDIA GeForce RTX 4090
ATI Radeon HD 3850 X3
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM Radeon HD 3850 X3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 's Advantages
Boost Clock2520MHz
Larger VRAM bandwidth (1010GB/s vs 54.40GB/s)
16064 additional rendering cores
ATI Radeon HD 3850 X3 's Advantages
Lower TDP (145W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+19194%
82.58 TFLOPS
Radeon HD 3850 X3
0.428 TFLOPS
GeForce RTX 4090
VS
Radeon HD 3850 X3
Graphics Card
Sep 2022
Release Date
Unknown
GeForce 40
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
2235 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
850 MHz
Memory
24GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR3
384bit
Memory Bus
256bit
1010GB/s
Bandwidth
54.40GB/s
Render Config
128
SM Count
-
-
Compute Units
4
16384
Shading Units
320
512
TMUs
16
176
ROPs
16
512
Tensor Cores
-
128
RT Cores
-
128 KB (per SM)
L1 Cache
-
72 MB
L2 Cache
256 KB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
10.70 GPixel/s
1290 GTexel/s
Texture Rate
10.70 GTexel/s
82.58 TFLOPS
FP16 (half)
-
82.58 TFLOPS
FP32 (float)
428.2 GFLOPS
1290 GFLOPS
FP64 (double)
-
Graphics Processor
AD102
GPU Name
RV670
AD102-300-A1
GPU Variant
RV670 PRO (215-0708003)
Ada Lovelace
Architecture
TeraScale
TSMC
Foundry
TSMC
5 nm
Process Size
55 nm
76.3 billion
Transistors
0.666 billion
609 mm²
Die Size
192 mm²
Board Design
450W
TDP
145W
850 W
Suggested PSU
300 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
4x DVI
1x 16-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
8.9
CUDA
-
6.7
Shader Model
4.1
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