AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 950 Low Power
GPU · Specs Compare
Graphics Card
Release Date
Jul 2021
Mar 2016
Generation
Navi II
GeForce 900
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1968 MHz
1026 MHz
Boost Clock
2589 MHz
1190 MHz
Memory Clock
2000 MHz
1653 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
128bit
Bandwidth
256.0GB/s
105.8GB/s
Render Config
Compute Units
32
—
Shading Units
2048
768
TMUs
128
48
ROPs
64
32
RT Cores
32
—
L1 Cache
128 KB per Array
48 KB (per SMM)
L2 Cache
2 MB
1024 KB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
165.7 GPixel/s
38.08 GPixel/s
Texture Rate
331.4 GTexel/s
57.12 GTexel/s
FP16 (half)
21.21 TFLOPS
—
FP32 (float)
10.60 TFLOPS
1.828 TFLOPS
FP64 (double)
662.8 GFLOPS
57.12 GFLOPS
Graphics Processor
GPU Name
Navi 23
GM206
GPU Variant
Navi 23 XT(215-130000006)
GM206-251-A1
Architecture
RDNA 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
11.06 billion
2.94 billion
Die Size
237 mm²
228 mm²
Board Design
TDP
160W
75W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x DVI1x HDMI 2.03x DisplayPort 1.4a
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.4
CUDA
—
5.2
Benchmark
3DMark Time Spy
9,656
—
3DMark Time Spy Extreme
4,399
—
3DMark Speed Way
1,675
—
Battlefield 5 1080p
144
—
Shadow of the Tomb Raider 2160p
38
—
Cyberpunk 2077 2160p
29
—
Shadow of the Tomb Raider 1440p
72
—
Cyberpunk 2077 1440p
36
—
Shadow of the Tomb Raider 1080p
119
—
Battlefield 5 2160p
58
—
Blender
1,213
—
Cyberpunk 2077 1080p
58
—
Battlefield 5 1440p
111
—
GTA 5 2160p
61
—
GTA 5 1440p
82
—
GTA 5 1080p
149
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.