Radeon RX 7900 XT vs A16 PCIe
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 16GB VRAM A16 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT Advantages
Released 1 years and 7 months late
Boost Clock has increased by 41% (2394MHz vs 1695MHz)
More VRAM (20GB vs 16GB)
Larger VRAM bandwidth (800.0GB/s vs 231.9GB/s)
4096 additional rendering cores
A16 PCIe Advantages
Lower TDP (250W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+1086%
51480
A16 PCIe
4339
Blender
Radeon RX 7900 XT
+665%
3905
A16 PCIe
510
Graphics Card
Nov 2022
Release Date
Apr 2021
Navi III
Generation
Tesla
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
1387 MHz
Base Clock
885 MHz
2394 MHz
Boost Clock
1695 MHz
2500 MHz
Memory Clock
1812 MHz
Memory
20GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
320bit
Memory Bus
128bit
800.0GB/s
Bandwidth
231.9GB/s
Render Config
84
Compute Units
-
-
SM Count
10
5376
Shading Units
1280
336
TMUs
40
192
ROPs
32
-
Tensor Cores
40
84
RT Cores
10
256 KB per Array
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
2 MB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
54.24 GPixel/s
804.4 GTexel/s
Texture Rate
67.80 GTexel/s
103.0 TFLOPS
FP16 (half)
4.339 TFLOPS
51.48 TFLOPS
FP32 (float)
4.339 TFLOPS
1.609 TFLOPS
FP64 (double)
135.6 GFLOPS
Board Design
300W
TDP
250W
700 W
Suggested PSU
600 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
2x DisplayPort 2.1
1x USB Type-C
Outputs
No outputs
2x 8-pin
Power Connectors
8-pin EPS
Graphics Processor
Navi 31
GPU Name
GA107
Navi 31 XT
(215-145000156)
(215-145000156)
GPU Variant
-
RDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
57.7 billion
Transistors
Unknown
529 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
8.6
6.7
Shader Model
6.6
