Home GPU Comparison AMD Radeon R9 270X vs NVIDIA GeForce RTX 4090

AMD Radeon R9 270X vs NVIDIA GeForce RTX 4090

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 270X and 24GB VRAM GeForce RTX 4090 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 270X 's Advantages
Lower TDP (180W vs 450W)
NVIDIA GeForce RTX 4090 's Advantages
Released 8 years and 11 months late
Boost Clock has increased by 140% (2520MHz vs 1050MHz)
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (1.01TB/s vs 179.2GB/s)
15104 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon R9 270X
2.688 TFLOPS
GeForce RTX 4090 +2972%
82.58 TFLOPS
3DMark Time Spy
Radeon R9 270X
1769
GeForce RTX 4090 +1963%
36499
VS

Graphics Card

Oct 2013
Release Date
Sep 2022
Volcanic Islands
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1000 MHz
Base Clock
2235 MHz
1050 MHz
Boost Clock
2520 MHz
1400 MHz
Memory Clock
1313 MHz

Memory

2GB
Memory Size
24GB
GDDR5
Memory Type
GDDR6X
256bit
Memory Bus
384bit
179.2GB/s
Bandwidth
1.01TB/s

Render Config

20
Compute Units
-
-
SM Count
128
1280
Shading Units
16384
80
TMUs
512
32
ROPs
176
-
Tensor Cores
512
-
RT Cores
128
16 KB (per CU)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
72 MB
-
-
-

Theoretical Performance

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

Board Design

180W
TDP
450W
450 W
Suggested PSU
850 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
1x HDMI 2.13x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 16-pin

Graphics Processor

Curacao
GPU Name
AD102
Curacao XT (215-0848004)
GPU Variant
AD102-300-A1
GCN 1.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
2.8 billion
Transistors
76.3 billion
212 mm²
Die Size
609 mm²

Graphics Features

12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
5.1
Shader Model
6.8

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