Home GPU Comparison NVIDIA GeForce RTX 4090 vs ATI Radeon X1950 XTX Uber Edition

NVIDIA GeForce RTX 4090 vs ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 and 512MB VRAM Radeon X1950 XTX Uber Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 's Advantages
Released 15 years and 8 months late
Boost Clock2520MHz
Larger VRAM bandwidth (1010GB/s vs 67.20GB/s)
16384 additional rendering cores
ATI Radeon X1950 XTX Uber Edition 's Advantages
Lower TDP (125W vs 450W)

Score

VS

Graphics Card

Sep 2022
Release Date
Jan 2007
GeForce 40
Generation
Radeon R500 PCIe
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

2235 MHz
Base Clock
-
2520 MHz
Boost Clock
-
1313 MHz
Memory Clock
1050 MHz

Memory

24GB
Memory Size
512MB
GDDR6X
Memory Type
GDDR4
384bit
Memory Bus
256bit
1010GB/s
Bandwidth
67.20GB/s

Render Config

128
SM Count
-
-
Compute Units
-
16384
Shading Units
-
512
TMUs
16
176
ROPs
16
512
Tensor Cores
-
128
RT Cores
-
128 KB (per SM)
L1 Cache
-
72 MB
L2 Cache
-

Theoretical Performance

443.5 GPixel/s
Pixel Rate
10.72 GPixel/s
1290 GTexel/s
Texture Rate
10.72 GTexel/s
82.58 TFLOPS
FP16 (half)
-
82.58 TFLOPS
FP32 (float)
-
1290 GFLOPS
FP64 (double)
-

Graphics Processor

AD102
GPU Name
R580+
AD102-300-A1
GPU Variant
R580+ XT (215BAABKA31FG)
Ada Lovelace
Architecture
R500
TSMC
Foundry
TSMC
5 nm
Process Size
90 nm
76.3 billion
Transistors
0.384 billion
609 mm²
Die Size
352 mm²

Board Design

450W
TDP
125W
850 W
Suggested PSU
300 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x VHDCI
1x 16-pin
Power Connectors
1x 6-pin

Graphics Features

12 Ultimate (12_2)
DirectX
9.0c (9_3)
4.6
OpenGL
2.1 (full) 3.0 (partial)
3.0
OpenCL
N/A
1.3
Vulkan
N/A
8.9
CUDA
-
6.7
Shader Model
3.0

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