Home GPU Comparison NVIDIA GeForce RTX 4080 Ti vs AMD Radeon RX 7990 XTX

NVIDIA GeForce RTX 4080 Ti vs AMD Radeon RX 7990 XTX

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 4080 Ti and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Ti 's Advantages
7936 additional rendering cores
Lower TDP (400W vs 405W)
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock has increased by 38% (3599MHz vs 2610MHz)
More VRAM (24GB vs 16GB)
Larger VRAM bandwidth (1152GB/s vs 678.4GB/s)

Score

Benchmark

FP32 (float)
GeForce RTX 4080 Ti
73.5 TFLOPS
Radeon RX 7990 XTX +20%
88.45 TFLOPS
VS

Graphics Card

Unknown
Release Date
Unknown
GeForce 40
Generation
Navi III
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

2340 MHz
Base Clock
2500 MHz
2610 MHz
Boost Clock
3599 MHz
1325 MHz
Memory Clock
3000 MHz

Memory

16GB
Memory Size
24GB
GDDR6X
Memory Type
GDDR6
256bit
Memory Bus
384bit
678.4GB/s
Bandwidth
1152GB/s

Render Config

-
Compute Units
96
110
SM Count
-
14080
Shading Units
6144
440
TMUs
384
144
ROPs
192
440
Tensor Cores
-
110
RT Cores
96
128 KB (per SM)
L1 Cache
256 KB per Array
80 MB
L2 Cache
6 MB
-
L3 Cache
192 MB

Theoretical Performance

375.8 GPixel/s
Pixel Rate
691.0 GPixel/s
1148 GTexel/s
Texture Rate
1382 GTexel/s
73.50 TFLOPS
FP16 (half)
176.9 TFLOPS
73.50 TFLOPS
FP32 (float)
88.45 TFLOPS
1148 GFLOPS
FP64 (double)
2.764 TFLOPS

Board Design

400W
TDP
405W
800 W
Suggested PSU
800 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
1x 16-pin
Power Connectors
3x 8-pin

Graphics Processor

AD102
GPU Name
Navi 31
AD102-225-A1
GPU Variant
Navi 31 XTX+
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
-
6.7
Shader Model
6.7

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