AMD Radeon RX 6900 XT vs NVIDIA GeForce GTX 680MX Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Oct 2020
Oct 2012
Generation
Navi II
GeForce 600M
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1825 MHz
—
Boost Clock
2250 MHz
—
Memory Clock
2000 MHz
1250 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
512.0GB/s
160.0GB/s
Render Config
Compute Units
80
—
Shading Units
5120
1536
TMUs
320
128
ROPs
128
32
RT Cores
80
—
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
4 MB
512 KB
L3 Cache
128 MB
—
Theoretical Performance
Pixel Rate
288.0 GPixel/s
23.01 GPixel/s
Texture Rate
720.0 GTexel/s
92.03 GTexel/s
FP16 (half)
46.08 TFLOPS
—
FP32 (float)
23.04 TFLOPS
2.209 TFLOPS
FP64 (double)
1440.0 GFLOPS
92.03 GFLOPS
Graphics Processor
GPU Name
Navi 21
GK104
GPU Variant
Navi 21 XTX(215-121000167)
N13E-GTX2-A2
Architecture
RDNA 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
26.8 billion
3.54 billion
Die Size
520 mm²
294 mm²
Board Design
TDP
300W
122W
Suggested PSU
700 W
—
Outputs
1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.4
1.1
Shader Model
6.8
5.1
CUDA
—
3.0
Benchmark
3DMark Time Spy
20,764
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.