AMD Radeon R9 285 vs NVIDIA RTX 4000 SFF Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Sep 2014
Nov 2018
Generation
Volcanic Islands
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1375 MHz
1000 MHz
Base Clock
-
1200 MHz
Boost Clock
-
1746 MHz
Memory
Memory Size
2GB
16GB
Memory Type
GDDR5
HBM2
Memory Bus
256bit
4096bit
Bandwidth
176.0GB/s
1.02TB/s
Render Config
Compute Units
28
60
Shading Units
1792
3840
TMUs
112
240
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
4 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
29.38 GPixel/s
111.7 GPixel/s
Texture Rate
102.8 GTexel/s
419.0 GTexel/s
FP16 (half)
3.290 TFLOPS
26.82 TFLOPS
FP32 (float)
3.290 TFLOPS
13.41 TFLOPS
FP64 (double)
205.6 GFLOPS
6.705 TFLOPS
Graphics Processor
GPU Name
Tonga
Vega 20
GPU Variant
Tonga PRO(215-0851128)
Vega 20 GLXT
Architecture
GCN 3.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
5 billion
13.23 billion
Die Size
366 mm²
331 mm²
Board Design
TDP
190W
300W
Suggested PSU
450 W
700 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
1x mini-DisplayPort 1.4a
Power Connectors
2x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.3
Shader Model
6.5
6.7
CUDA
-
8.9