Radeon RX 6600 XT vs Radeon HD 7950 Monica BIOS 1
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT 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 6600 XT 's Advantages
Released 9 years and 6 months late
Boost Clock2589MHz
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (256.0GB/s vs 240.0GB/s)
512 additional rendering cores
Lower TDP (160W vs 185W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
+272%
10600
Radeon HD 7950 Monica BIOS 1
2842
Graphics Card
Jul 2021
Release Date
Jan 2012
Navi II
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
1968 MHz
Base Clock
-
2589 MHz
Boost Clock
-
2000 MHz
Memory Clock
1250 MHz
Memory
8GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
384bit
256.0GB/s
Bandwidth
240.0GB/s
Render Config
32
Compute Units
24
2048
Shading Units
1536
128
TMUs
96
64
ROPs
32
32
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
768 KB
32 MB
L3 Cache
-
Theoretical Performance
165.7 GPixel/s
Pixel Rate
29.60 GPixel/s
331.4 GTexel/s
Texture Rate
88.80 GTexel/s
21.21 TFLOPS
FP16 (half)
-
10.60 TFLOPS
FP32 (float)
2.842 TFLOPS
662.8 GFLOPS
FP64 (double)
710.4 GFLOPS
Board Design
160W
TDP
185W
450 W
Suggested PSU
450 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Navi 23
GPU Name
Tahiti
Navi 23 XT
(215-130000006)
GPU Variant
Tahiti PRO
(215-0821056)
RDNA 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
4.313 billion
237 mm²
Die Size
352 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.3
Vulkan
1.2
6.7
Shader Model
5.1
