AMD Radeon RX 6650 XT vs NVIDIA GeForce GTX 780 Ti Engineering Sample
We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 6650 XT and 3GB VRAM GeForce GTX 780 Ti Engineering Sample to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 6650 XT 's Advantages
Boost Clock has increased by 184% (2635MHz vs 928MHz)
More VRAM (8GB vs 3GB)
Lower TDP (176W vs 250W)
NVIDIA GeForce GTX 780 Ti Engineering Sample 's Advantages
Larger VRAM bandwidth (336.6GB/s vs 280.3GB/s)
832 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon RX 6650 XT
+101%
10.79 TFLOPS
GeForce GTX 780 Ti Engineering Sample
5.345 TFLOPS
Graphics Card
May 2022
Release Date
Unknown
Navi II
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
2055 MHz
Base Clock
875 MHz
2635 MHz
Boost Clock
928 MHz
2190 MHz
Memory Clock
1753 MHz
Memory
8GB
Memory Size
3GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
384bit
280.3GB/s
Bandwidth
336.6GB/s
Render Config
32
Compute Units
-
-
-
-
2048
Shading Units
2880
128
TMUs
240
64
ROPs
48
-
-
-
32
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per SMX)
2 MB
L2 Cache
1536 KB
32 MB
L3 Cache
-
Theoretical Performance
168.6 GPixel/s
Pixel Rate
55.68 GPixel/s
337.3 GTexel/s
Texture Rate
222.7 GTexel/s
21.59 TFLOPS
FP16 (half)
-
10.79 TFLOPS
FP32 (float)
5.345 TFLOPS
674.6 GFLOPS
FP64 (double)
222.7 GFLOPS
Board Design
176W
TDP
250W
450 W
Suggested PSU
600 W
1x HDMI 2.1
3x DisplayPort 1.4a
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Navi 23
GPU Name
GK180
Navi 23 KXT
(215-130000136)
GPU Variant
GK180-425-A1
RDNA 2.0
Architecture
Kepler
TSMC
Foundry
TSMC
7 nm
Process Size
28 nm
11.06 billion
Transistors
7.08 billion
237 mm²
Die Size
561 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.3
Vulkan
1.2.175
-
CUDA
3.5
6.5
Shader Model
5.1
