NVIDIA GeForce RTX 4090 vs AMD Radeon PRO W7800 48 GB
We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 48GB VRAM Radeon PRO W7800 48 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 's Advantages
Larger VRAM bandwidth (1.01TB/s vs 864.0GB/s)
11904 additional rendering cores
AMD Radeon PRO W7800 48 GB 's Advantages
Released 7 months late
Boost Clock has increased by 0% (2525MHz vs 2520MHz)
More VRAM (48GB vs 24GB)
Lower TDP (281W vs 450W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090
+82%
82.58 TFLOPS
Radeon PRO W7800 48 GB
45.25 TFLOPS
Graphics Card
Sep 2022
Release Date
Apr 2023
GeForce 40
Generation
Radeon Pro Navi(Navi III Series)
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
2235 MHz
Base Clock
1895 MHz
2520 MHz
Boost Clock
2525 MHz
1313 MHz
Memory Clock
2250 MHz
Memory
24GB
Memory Size
48GB
GDDR6X
Memory Type
GDDR6
384bit
Memory Bus
384bit
1.01TB/s
Bandwidth
864.0GB/s
Render Config
-
Compute Units
70
128
SM Count
-
16384
Shading Units
4480
512
TMUs
280
176
ROPs
128
512
Tensor Cores
-
128
RT Cores
70
128 KB (per SM)
L1 Cache
256 KB per Array
72 MB
L2 Cache
6 MB
-
L3 Cache
96 MB
Theoretical Performance
443.5 GPixel/s
Pixel Rate
323.2 GPixel/s
1290 GTexel/s
Texture Rate
707.0 GTexel/s
82.58 TFLOPS
FP16 (half)
90.50 TFLOPS
82.58 TFLOPS
FP32 (float)
45.25 TFLOPS
1290 GFLOPS
FP64 (double)
1414 GFLOPS
Board Design
450W
TDP
281W
850 W
Suggested PSU
600 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
3x DisplayPort 2.1
1x mini-DisplayPort 2.1
1x 16-pin
Power Connectors
2x 8-pin
Graphics Processor
AD102
GPU Name
Navi 31
AD102-300-A1
GPU Variant
Navi 31
Ada Lovelace
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
76.3 billion
Transistors
57.7 billion
609 mm²
Die Size
529 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.2
1.3
Vulkan
1.3
8.9
CUDA
-
6.8
Shader Model
6.8
