Radeon RX 6400 vs GeForce GTX 950
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 2GB VRAM GeForce GTX 950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Released 6 years and 5 months late
Boost Clock has increased by 95% (2321MHz vs 1188MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (128.0GB/s vs 105.8GB/s)
Lower TDP (53W vs 90W)
Score
Benchmark
FP32 (float)
Radeon RX 6400
+95%
3565
GeForce GTX 950
1825
3DMark Time Spy
Radeon RX 6400
+88%
3585
GeForce GTX 950
1903
3DMark Time Spy Extreme
Radeon RX 6400
+319%
1662
GeForce GTX 950
396
Shadow of the Tomb Raider 2160p
Radeon RX 6400
+60%
8
GeForce GTX 950
5
Shadow of the Tomb Raider 1440p
Radeon RX 6400
20
GeForce GTX 950
20
Shadow of the Tomb Raider 1080p
Radeon RX 6400
+16%
35
GeForce GTX 950
30
Graphics Card
Jan 2022
Release Date
Aug 2015
Navi II
Generation
GeForce 900
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x16
Clock Speeds
1923 MHz
Base Clock
1024 MHz
2321 MHz
Boost Clock
1188 MHz
2000 MHz
Memory Clock
1653 MHz
Memory
4GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
128bit
128.0GB/s
Bandwidth
105.8GB/s
Render Config
12
Compute Units
-
768
Shading Units
768
48
TMUs
48
32
ROPs
32
12
RT Cores
-
128 KB per Array
L1 Cache
48 KB (per SMM)
1024 KB
L2 Cache
1024 KB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
38.02 GPixel/s
111.4 GTexel/s
Texture Rate
57.02 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
1.825 TFLOPS
222.8 GFLOPS
FP64 (double)
57.02 GFLOPS
Board Design
53W
TDP
90W
250 W
Suggested PSU
250 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 2.0
3x DisplayPort 1.4a
None
Power Connectors
1x 6-pin
Graphics Processor
Navi 24
GPU Name
GM206
Navi 24 XL
(215-135000046)
GPU Variant
GM206-250-A1
RDNA 2.0
Architecture
Maxwell 2.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
5.4 billion
Transistors
2.94 billion
107 mm²
Die Size
228 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_1)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.3
-
CUDA
5.2
6.7
Shader Model
6.4