Radeon RX 7900 XT vs RTX A4000H
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 16GB VRAM RTX A4000H to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 7900 XT 's Advantages
Released 1 years and 7 months late
Boost Clock has increased by 53% (2394MHz vs 1560MHz)
More VRAM (20GB vs 16GB)
Larger VRAM bandwidth (800.0GB/s vs 448.0GB/s)
RTX A4000H 's Advantages
768 additional rendering cores
Lower TDP (140W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+168%
51480
RTX A4000H
19170
Graphics Card
Nov 2022
Release Date
Apr 2021
Navi III
Generation
Quadro Ampere
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1387 MHz
Base Clock
735 MHz
2394 MHz
Boost Clock
1560 MHz
2500 MHz
Memory Clock
1750 MHz
Memory
20GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
320bit
Memory Bus
256bit
800.0GB/s
Bandwidth
448.0GB/s
Render Config
84
Compute Units
-
-
SM Count
48
5376
Shading Units
6144
336
TMUs
192
192
ROPs
96
-
Tensor Cores
192
84
RT Cores
48
256 KB per Array
L1 Cache
128 KB (per SM)
6 MB
L2 Cache
4 MB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
149.8 GPixel/s
804.4 GTexel/s
Texture Rate
299.5 GTexel/s
103.0 TFLOPS
FP16 (half)
19.17 TFLOPS
51.48 TFLOPS
FP32 (float)
19.17 TFLOPS
1.609 TFLOPS
FP64 (double)
299.5 GFLOPS
Board Design
300W
TDP
140W
700 W
Suggested PSU
300 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
4x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Navi 31
GPU Name
GA104
Navi 31 XT
(215-145000156)
GPU Variant
GA104-???-A1
RDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
57.7 billion
Transistors
17.4 billion
529 mm²
Die Size
392 mm²
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
6.7