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GPU Comparison
NVIDIA GeForce RTX 4090 vs AMD Radeon R9 285X
NVIDIA GeForce RTX 4090 vs AMD Radeon R9 285X
VS
NVIDIA GeForce RTX 4090
AMD Radeon R9 285X
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 3GB VRAM Radeon R9 285X 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
More VRAM (24GB vs 3GB)
Larger VRAM bandwidth (1008GB/s vs 264.0GB/s)
14336 additional rendering cores
AMD Radeon R9 285X 's Advantages
Lower TDP (200W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+1912%
82.58 TFLOPS
Radeon R9 285X
4.104 TFLOPS
GeForce RTX 4090
VS
Radeon R9 285X
Graphics Card
Sep 2022
Release Date
Unknown
GeForce 40
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
2235 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
1375 MHz
Memory
24GB
Memory Size
3GB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
384bit
1008GB/s
Bandwidth
264.0GB/s
Render Config
128
SM Count
-
-
Compute Units
32
16384
Shading Units
2048
512
TMUs
128
176
ROPs
32
512
Tensor Cores
-
128
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
72 MB
L2 Cache
768 KB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
32.06 GPixel/s
1290 GTexel/s
Texture Rate
128.3 GTexel/s
82.58 TFLOPS
FP16 (half)
-
82.58 TFLOPS
FP32 (float)
4.104 TFLOPS
1290 GFLOPS
FP64 (double)
-
Graphics Processor
AD102
GPU Name
Tonga
AD102-300-A1
GPU Variant
Tonga XT (215-0851313)
Ada Lovelace
Architecture
GCN 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
76.3 billion
Transistors
5 billion
609 mm²
Die Size
366 mm²
Board Design
450W
TDP
200W
850 W
Suggested PSU
550 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 16-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
6.3
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