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GPU Comparison
AMD Radeon RX 6600 XT vs AMD Radeon HD 6970
AMD Radeon RX 6600 XT vs AMD Radeon HD 6970
VS
AMD Radeon RX 6600 XT
AMD Radeon HD 6970
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6600 XT and 2GB VRAM Radeon HD 6970 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 10 years and 7 months late
Boost Clock2589MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 176.0GB/s)
512 additional rendering cores
Lower TDP (160W vs 250W)
Score
Benchmark
FP32 (float)
Radeon RX 6600 XT
+292%
10.6 TFLOPS
Radeon HD 6970
2.703 TFLOPS
Radeon RX 6600 XT
VS
Radeon HD 6970
Graphics Card
Jul 2021
Release Date
Dec 2010
Navi II
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
1968 MHz
Base Clock
-
2589 MHz
Boost Clock
-
2000 MHz
Memory Clock
1375 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
256bit
256.0GB/s
Bandwidth
176.0GB/s
Render Config
-
SM Count
-
32
Compute Units
24
2048
Shading Units
1536
128
TMUs
96
64
ROPs
32
-
Tensor Cores
-
32
RT Cores
-
128 KB per Array
L1 Cache
8 KB (per CU)
2 MB
L2 Cache
512 KB
Theoretical Performance
165.7 GPixel/s
Pixel Rate
28.16 GPixel/s
331.4 GTexel/s
Texture Rate
84.48 GTexel/s
21.21 TFLOPS
FP16 (half)
-
10.60 TFLOPS
FP32 (float)
2.703 TFLOPS
662.8 GFLOPS
FP64 (double)
675.8 GFLOPS
Graphics Processor
Navi 23
GPU Name
Cayman
Navi 23 XT (215-130000006)
GPU Variant
Cayman XT (215-0807007)
RDNA 2.0
Architecture
TeraScale 3
TSMC
Foundry
TSMC
7 nm
Process Size
40 nm
11.06 billion
Transistors
2.64 billion
237 mm²
Die Size
389 mm²
Board Design
160W
TDP
250W
450 W
Suggested PSU
600 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Features
12 Ultimate (12_2)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1
OpenCL
1.2
1.3
Vulkan
N/A
-
CUDA
-
6.7
Shader Model
5.0
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