NVIDIA GeForce GTX 680 Mac Edition vs AMD Radeon RX 6650 XT
We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 Mac Edition 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 9 years and 1 months late
Boost Clock has increased by 149% (2635MHz vs 1058MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (280.3GB/s vs 192.3GB/s)
512 additional rendering cores
Lower TDP (176W vs 195W)
Score
Benchmark
FP32 (float)
GeForce GTX 680 Mac Edition
3.25 TFLOPS
Radeon RX 6650 XT
+232%
10.79 TFLOPS
Graphics Card
Apr 2013
Release Date
May 2022
GeForce 600
Generation
Navi II
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
1006 MHz
Base Clock
2055 MHz
1058 MHz
Boost Clock
2635 MHz
1502 MHz
Memory Clock
2190 MHz
Memory
2GB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
128bit
192.3GB/s
Bandwidth
280.3GB/s
Render Config
-
Compute Units
32
-
-
-
1536
Shading Units
2048
128
TMUs
128
32
ROPs
64
-
-
-
-
RT Cores
32
16 KB (per SMX)
L1 Cache
128 KB per Array
512 KB
L2 Cache
2 MB
-
L3 Cache
32 MB
Theoretical Performance
33.86 GPixel/s
Pixel Rate
168.6 GPixel/s
135.4 GTexel/s
Texture Rate
337.3 GTexel/s
-
FP16 (half)
21.59 TFLOPS
3.250 TFLOPS
FP32 (float)
10.79 TFLOPS
135.4 GFLOPS
FP64 (double)
674.6 GFLOPS
Board Design
195W
TDP
176W
450 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.1
3x DisplayPort 1.4a
2x 6-pin
Power Connectors
1x 8-pin
Graphics Processor
GK104
GPU Name
Navi 23
GK104-400-A2
GPU Variant
Navi 23 KXT
(215-130000136)
Kepler
Architecture
RDNA 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
3.54 billion
Transistors
11.06 billion
294 mm²
Die Size
237 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
2.1
1.1
Vulkan
1.3
3.0
CUDA
-
5.1
Shader Model
6.5
