Home GPU Comparison NVIDIA GeForce RTX 4070 GDDR6 vs AMD Radeon 550X 640SP

NVIDIA GeForce RTX 4070 GDDR6 vs AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 4070 GDDR6 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 GDDR6 's Advantages
Released 6 years and 4 months late
Boost Clock has increased by 131% (2475MHz vs 1071MHz)
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (480.0GB/s vs 48.00GB/s)
5248 additional rendering cores
AMD Radeon 550X 640SP 's Advantages
Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)
GeForce RTX 4070 GDDR6 +2026%
29.15 TFLOPS
Radeon 550X 640SP
1.371 TFLOPS

Graphics Card

Aug 2024
Release Date
Apr 2018
GeForce 40
Generation
Polaris
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8

Clock Speeds

1920 MHz
Base Clock
1019 MHz
2475 MHz
Boost Clock
1071 MHz
2500 MHz
Memory Clock
1500 MHz

Memory

12GB
Memory Size
4GB
GDDR6
Memory Type
GDDR5
192bit
Memory Bus
64bit
480.0GB/s
Bandwidth
48.00GB/s

Render Config

-
Compute Units
10
46
SM Count
-
5888
Shading Units
640
184
TMUs
40
64
ROPs
16
184
Tensor Cores
-
46
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
36 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

158.4 GPixel/s
Pixel Rate
17.14 GPixel/s
455.4 GTexel/s
Texture Rate
42.84 GTexel/s
29.15 TFLOPS
FP16 (half)
1371 GFLOPS
29.15 TFLOPS
FP32 (float)
1371 GFLOPS
455.4 GFLOPS
FP64 (double)
85.68 GFLOPS

Board Design

200W
TDP
50W
550 W
Suggested PSU
250 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a
1x 16-pin
Power Connectors
None

Graphics Processor

AD104
GPU Name
Lexa
AD104-2XX-A1
GPU Variant
Lexa PRO (215-0904018)
Ada Lovelace
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
5 nm
Process Size
14 nm
35.8 billion
Transistors
2.2 billion
294 mm²
Die Size
103 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.3
Vulkan
1.2
8.9
CUDA
-
6.8
Shader Model
6.4
© 2025 - TopCPU.net