Radeon RX 6400 vs Radeon HD 7950 Monica BIOS 1
We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6400 and 3GB VRAM Radeon HD 7950 Monica BIOS 1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon RX 6400 's Advantages
Released 10 years late
Boost Clock2321MHz
More VRAM (4GB vs 3GB)
Lower TDP (53W vs 185W)
Radeon HD 7950 Monica BIOS 1 's Advantages
Larger VRAM bandwidth (240.0GB/s vs 128.0GB/s)
768 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6400
+25%
3565
Radeon HD 7950 Monica BIOS 1
2842
Graphics Card
Jan 2022
Release Date
Jan 2012
Navi II
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x4
Bus Interface
PCIe 3.0 x16
Clock Speeds
1923 MHz
Base Clock
-
2321 MHz
Boost Clock
-
2000 MHz
Memory Clock
1250 MHz
Memory
4GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
64bit
Memory Bus
384bit
128.0GB/s
Bandwidth
240.0GB/s
Render Config
12
Compute Units
24
768
Shading Units
1536
48
TMUs
96
32
ROPs
32
12
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
1024 KB
L2 Cache
768 KB
16 MB
L3 Cache
-
Theoretical Performance
74.27 GPixel/s
Pixel Rate
29.60 GPixel/s
111.4 GTexel/s
Texture Rate
88.80 GTexel/s
7.130 TFLOPS
FP16 (half)
-
3.565 TFLOPS
FP32 (float)
2.842 TFLOPS
222.8 GFLOPS
FP64 (double)
710.4 GFLOPS
Board Design
53W
TDP
185W
250 W
Suggested PSU
450 W
1x HDMI 2.1
1x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
None
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Navi 24
GPU Name
Tahiti
Navi 24 XL
(215-135000046)
GPU Variant
Tahiti PRO
(215-0821056)
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
5.4 billion
Transistors
4.313 billion
107 mm²
Die Size
352 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.2
OpenCL
1.2
1.3
Vulkan
1.2
6.7
Shader Model
5.1
