AMD Radeon HD 7950 Monica BIOS 1 vs AMD Radeon RX 6400
GPU Specs Compare
Graphics Card
Release Date
Jan 2012
Jan 2022
Generation
Southern Islands
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1250 MHz
2000 MHz
Base Clock
-
1923 MHz
Boost Clock
-
2321 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
64bit
Bandwidth
240.0GB/s
128.0GB/s
Render Config
Compute Units
24
12
Shading Units
1536
768
TMUs
96
48
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
1024 KB
RT Cores
-
12
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
29.60 GPixel/s
74.27 GPixel/s
Texture Rate
88.80 GTexel/s
111.4 GTexel/s
FP32 (float)
2.842 TFLOPS
3.565 TFLOPS
FP64 (double)
710.4 GFLOPS
222.8 GFLOPS
FP16 (half)
-
7.130 TFLOPS
Graphics Processor
GPU Name
Tahiti
Navi 24
GPU Variant
Tahiti PRO(215-0821056)
Navi 24 XL(215-135000046)
Architecture
GCN 1.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
4.313 billion
5.4 billion
Die Size
352 mm²
107 mm²
Board Design
TDP
185W
53W
Suggested PSU
450 W
250 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.7