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GPU Comparison
AMD Radeon R9 285X vs NVIDIA GeForce RTX 4080
AMD Radeon R9 285X vs NVIDIA GeForce RTX 4080
VS
AMD Radeon R9 285X
NVIDIA GeForce RTX 4080
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 16GB VRAM GeForce RTX 4080 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 285X 's Advantages
Lower TDP (200W vs 320W)
NVIDIA GeForce RTX 4080 's Advantages
Boost Clock2505MHz
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (716.8GB/s vs 264.0GB/s)
7680 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 285X
4.104 TFLOPS
GeForce RTX 4080
+1087%
48.74 TFLOPS
Radeon R9 285X
VS
GeForce RTX 4080
Graphics Card
Unknown
Release Date
Sep 2022
Volcanic Islands
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2205 MHz
-
Boost Clock
2505 MHz
1375 MHz
Memory Clock
1400 MHz
Memory
3GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
256bit
264.0GB/s
Bandwidth
716.8GB/s
Render Config
-
SM Count
76
32
Compute Units
-
2048
Shading Units
9728
128
TMUs
304
32
ROPs
112
-
Tensor Cores
304
-
RT Cores
76
16 KB (per CU)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
64 MB
Theoretical Performance
32.06 GPixel/s
Pixel Rate
280.6 GPixel/s
128.3 GTexel/s
Texture Rate
761.5 GTexel/s
-
FP16 (half)
48.74 TFLOPS
4.104 TFLOPS
FP32 (float)
48.74 TFLOPS
-
FP64 (double)
761.5 GFLOPS
Graphics Processor
Tonga
GPU Name
AD103
Tonga XT (215-0851313)
GPU Variant
AD103-300-A1
GCN 3.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
5 billion
Transistors
45.9 billion
366 mm²
Die Size
379 mm²
Board Design
200W
TDP
320W
550 W
Suggested PSU
700 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
1x 6-pin + 1x 8-pin
Power Connectors
1x 16-pin
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
6.3
Shader Model
6.7
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