NVIDIA RTX A4000 Max-Q vs AMD Radeon R9 285X
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Unknown
Generation
Ampere-MW
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
780 MHz
—
Boost Clock
1395 MHz
—
Memory Clock
1375 MHz
1375 MHz
Memory
Memory Size
8GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
352.0GB/s
264.0GB/s
Render Config
SM Count
40
—
Shading Units
5120
2048
TMUs
160
128
ROPs
80
32
Tensor Cores
160
—
RT Cores
40
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
111.6 GPixel/s
32.06 GPixel/s
Texture Rate
223.2 GTexel/s
128.3 GTexel/s
FP16 (half)
14.28 TFLOPS
—
FP32 (float)
14.28 TFLOPS
4.104 TFLOPS
FP64 (double)
223.2 GFLOPS
—
Graphics Processor
GPU Name
GA104
Tonga
Architecture
Ampere
GCN 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
5 billion
Die Size
392 mm²
366 mm²
GPU Variant
—
Tonga XT(215-0851313)
Board Design
TDP
80W
200W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
8.6
—
Shader Model
6.8
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.