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GPU Comparison
AMD Radeon HD 7950 Mac Edition vs AMD Radeon RX 6600 XT
AMD Radeon HD 7950 Mac Edition vs AMD Radeon RX 6600 XT
VS
AMD Radeon HD 7950 Mac Edition
AMD Radeon RX 6600 XT
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Mac Edition and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6600 XT 's Advantages
Released 8 years and 4 months late
Boost Clock2589MHz
More VRAM (8GB vs 3GB)
Larger VRAM bandwidth (256.0GB/s vs 240.0GB/s)
256 additional rendering cores
Lower TDP (160W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 7950 Mac Edition
2.867 TFLOPS
Radeon RX 6600 XT
+269%
10.6 TFLOPS
Radeon HD 7950 Mac Edition
VS
Radeon RX 6600 XT
Graphics Card
Mar 2013
Release Date
Jul 2021
Southern Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
1968 MHz
-
Boost Clock
2589 MHz
1250 MHz
Memory Clock
2000 MHz
Memory
3GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
128bit
240.0GB/s
Bandwidth
256.0GB/s
Render Config
-
SM Count
-
28
Compute Units
32
1792
Shading Units
2048
112
TMUs
128
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
32
16 KB (per CU)
L1 Cache
128 KB per Array
768 KB
L2 Cache
2 MB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
165.7 GPixel/s
89.60 GTexel/s
Texture Rate
331.4 GTexel/s
-
FP16 (half)
21.21 TFLOPS
2.867 TFLOPS
FP32 (float)
10.60 TFLOPS
716.8 GFLOPS
FP64 (double)
662.8 GFLOPS
Graphics Processor
Tahiti
GPU Name
Navi 23
Tahiti PRO (215-0821056)
GPU Variant
Navi 23 XT (215-130000006)
GCN 1.0
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
4.313 billion
Transistors
11.06 billion
352 mm²
Die Size
237 mm²
Board Design
200W
TDP
160W
550 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 8-pin
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.3
-
CUDA
-
5.1
Shader Model
6.7
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