AMD Radeon Pro W6800X vs NVIDIA GeForce GTX 660 OEM
GPU Specs Compare
Graphics Card
Release Date
Aug 2021
Aug 2012
Generation
Radeon Pro Mac
GeForce 600
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 3.0 x16
Clock Speeds
Base Clock
1800 MHz
823 MHz
Boost Clock
2087 MHz
888 MHz
Memory Clock
2000 MHz
1400 MHz
Memory
Memory Size
32GB
1536MB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
192bit
Bandwidth
512.0GB/s
134.4GB/s
Render Config
Compute Units
60
-
Shading Units
3840
1152
TMUs
240
96
ROPs
96
24
RT Cores
60
-
L1 Cache
128 KB per Array
16 KB (per SMX)
L2 Cache
4 MB
384 KB
L3 Cache
128 MB
-
Theoretical Performance
Pixel Rate
200.4 GPixel/s
21.31 GPixel/s
Texture Rate
500.9 GTexel/s
85.25 GTexel/s
FP16 (half)
32.06 TFLOPS
-
FP32 (float)
16.03 TFLOPS
2.046 TFLOPS
FP64 (double)
1002 GFLOPS
85.25 GFLOPS
Graphics Processor
GPU Name
Navi 21
GK104
GPU Variant
Navi 21 Pro-XLA
GK104-200-KD-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
200W
130W
Suggested PSU
550 W
300 W
Outputs
1x HDMI 2.14x Thunderbolt
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
Apple MPX
1x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.3
1.1
Shader Model
6.7
5.1
CUDA
-
3.0
📊 Benchmark
Blender
1,424
-
3DMark Time Spy
-
1,194
3DMark Time Spy Extreme
-
260