AMD Radeon RX 7900 XT vs NVIDIA RTX 4000 SFF Ada Generation
GPU Specs Compare
Graphics Card
Release Date
Nov 2022
Nov 2018
Generation
Navi III
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1387 MHz
1200 MHz
Boost Clock
2394 MHz
1746 MHz
Memory Clock
2500 MHz
1000 MHz
Memory
Memory Size
20GB
16GB
Memory Type
GDDR6
HBM2
Memory Bus
320bit
4096bit
Bandwidth
800.0GB/s
1.02TB/s
Render Config
Compute Units
84
60
Shading Units
5376
3840
TMUs
336
240
ROPs
192
64
RT Cores
84
48
L1 Cache
256 KB per Array
16 KB (per CU)
L2 Cache
6 MB
4 MB
L3 Cache
80 MB
-
SM Count
-
48
Tensor Cores
-
192
Theoretical Performance
Pixel Rate
459.6 GPixel/s
111.7 GPixel/s
Texture Rate
804.4 GTexel/s
419.0 GTexel/s
FP16 (half)
103.0 TFLOPS
26.82 TFLOPS
FP32 (float)
51.48 TFLOPS
13.41 TFLOPS
FP64 (double)
1.609 TFLOPS
6.705 TFLOPS
Graphics Processor
GPU Name
Navi 31
Vega 20
GPU Variant
Navi 31 XT(215-145000156)
Vega 20 GLXT
Architecture
RDNA 3.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
57.7 billion
13.23 billion
Die Size
529 mm²
331 mm²
Board Design
TDP
300W
300W
Suggested PSU
700 W
700 W
Outputs
1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C
1x mini-DisplayPort 1.4a
Power Connectors
2x 8-pin
2x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.3
Shader Model
6.8
6.7
CUDA
-
8.9
📊 Benchmark
3DMark Time Spy
26,829
-
3DMark Time Spy Extreme
13,130
-
3DMark Speed Way
5,364
-