NVIDIA RTX 4000 SFF Ada Generation vs AMD Radeon R9 270X
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Oct 2013
Generation
Radeon Instinct
Volcanic Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1200 MHz
1000 MHz
Boost Clock
1746 MHz
1050 MHz
Memory Clock
1000 MHz
1400 MHz
Memory
Memory Size
16GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
1.02TB/s
179.2GB/s
Render Config
SM Count
48
-
Compute Units
60
20
Shading Units
3840
1280
TMUs
240
80
ROPs
64
32
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
111.7 GPixel/s
33.60 GPixel/s
Texture Rate
419.0 GTexel/s
84.00 GTexel/s
FP16 (half)
26.82 TFLOPS
-
FP32 (float)
13.41 TFLOPS
2.688 TFLOPS
FP64 (double)
6.705 TFLOPS
168.0 GFLOPS
Graphics Processor
GPU Name
Vega 20
Curacao
GPU Variant
Vega 20 GLXT
Curacao XT(215-0848004)
Architecture
GCN 5.1
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
2.8 billion
Die Size
331 mm²
212 mm²
Board Design
TDP
300W
180W
Suggested PSU
700 W
450 W
Outputs
1x mini-DisplayPort 1.4a
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
CUDA
8.9
-
Shader Model
6.7
5.1
📊 Benchmark
3DMark Time Spy
-
1,769