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GPU Comparison
AMD Radeon HD 6950 vs AMD Radeon RX 6650 XT
AMD Radeon HD 6950 vs AMD Radeon RX 6650 XT
VS
AMD Radeon HD 6950
AMD Radeon RX 6650 XT
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 8GB VRAM Radeon RX 6650 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6650 XT 's Advantages
Released 11 years and 5 months late
Boost Clock2635MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (280.3GB/s vs 160.0GB/s)
640 additional rendering cores
Lower TDP (176W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 6950
2.253 TFLOPS
Radeon RX 6650 XT
+378%
10.79 TFLOPS
Radeon HD 6950
VS
Radeon RX 6650 XT
Graphics Card
Dec 2010
Release Date
May 2022
Northern Islands
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
-
Base Clock
2055 MHz
-
Boost Clock
2635 MHz
1250 MHz
Memory Clock
2190 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
280.3GB/s
Render Config
-
SM Count
-
22
Compute Units
32
1408
Shading Units
2048
88
TMUs
128
32
ROPs
64
-
Tensor Cores
-
-
RT Cores
32
8 KB (per CU)
L1 Cache
128 KB per Array
512 KB
L2 Cache
2 MB
Theoretical Performance
25.60 GPixel/s
Pixel Rate
168.6 GPixel/s
70.40 GTexel/s
Texture Rate
337.3 GTexel/s
-
FP16 (half)
21.59 TFLOPS
2.253 TFLOPS
FP32 (float)
10.79 TFLOPS
563.2 GFLOPS
FP64 (double)
674.6 GFLOPS
Graphics Processor
Cayman
GPU Name
Navi 23
Cayman PRO (215-0807019)
GPU Variant
Navi 23 KXT (215-130000136)
TeraScale 3
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
7 nm
2.64 billion
Transistors
11.06 billion
389 mm²
Die Size
237 mm²
Board Design
200W
TDP
176W
550 W
Suggested PSU
450 W
2x 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
11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.1
N/A
Vulkan
1.3
-
CUDA
-
5.0
Shader Model
6.5
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