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GPU Comparison
NVIDIA RTX A4000H vs AMD Radeon R9 285X
NVIDIA RTX A4000H vs AMD Radeon R9 285X
VS
NVIDIA RTX A4000H
AMD Radeon R9 285X
We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000H 's Advantages
Boost Clock1560MHz
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (448.0GB/s vs 264.0GB/s)
4096 additional rendering cores
Lower TDP (140W vs 200W)
Score
Benchmark
FP32 (float)
RTX A4000H
+367%
19.17 TFLOPS
Radeon R9 285X
4.104 TFLOPS
RTX A4000H
VS
Radeon R9 285X
Graphics Card
Apr 2021
Release Date
Unknown
Quadro Ampere
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
735 MHz
Base Clock
-
1560 MHz
Boost Clock
-
1750 MHz
Memory Clock
1375 MHz
Memory
16GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
384bit
448.0GB/s
Bandwidth
264.0GB/s
Render Config
48
SM Count
-
-
Compute Units
32
6144
Shading Units
2048
192
TMUs
128
96
ROPs
32
192
Tensor Cores
-
48
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
768 KB
Theoretical Performance
149.8 GPixel/s
Pixel Rate
32.06 GPixel/s
299.5 GTexel/s
Texture Rate
128.3 GTexel/s
19.17 TFLOPS
FP16 (half)
-
19.17 TFLOPS
FP32 (float)
4.104 TFLOPS
299.5 GFLOPS
FP64 (double)
-
Graphics Processor
GA104
GPU Name
Tonga
GA104-???-A1
GPU Variant
Tonga XT (215-0851313)
Ampere
Architecture
GCN 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
17.4 billion
Transistors
5 billion
392 mm²
Die Size
366 mm²
Board Design
140W
TDP
200W
300 W
Suggested PSU
550 W
4x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
1x 6-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
8.6
CUDA
-
6.7
Shader Model
6.3
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