NVIDIA Quadro RTX 4000 Max Q vs AMD Radeon HD 6850 X2
GPU · Specs Compare
Graphics Card
Release Date
May 2019
Sep 2011
Generation
Quadro Mobile
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
780 MHz
—
Boost Clock
1380 MHz
—
Memory Clock
1625 MHz
1050 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
256bit
Bandwidth
416.0GB/s
134.4GB/s
Render Config
SM Count
40
—
Shading Units
2560
960
TMUs
160
48
ROPs
64
32
Tensor Cores
320
—
RT Cores
40
—
L1 Cache
64 KB (per SM)
8 KB (per CU)
L2 Cache
4 MB
512 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
88.32 GPixel/s
25.60 GPixel/s
Texture Rate
220.8 GTexel/s
38.40 GTexel/s
FP16 (half)
14.13 TFLOPS
—
FP32 (float)
7.066 TFLOPS
1.536 TFLOPS
FP64 (double)
220.8 GFLOPS
—
Graphics Processor
GPU Name
TU104
Barts
Architecture
Turing
TeraScale 2
Foundry
TSMC
TSMC
Process Size
12 nm
40 nm
Transistors
13.6 billion
1.7 billion
Die Size
545 mm²
255 mm²
GPU Variant
—
Barts PRO(215-0798006)
Board Design
TDP
80W
254W
Outputs
No outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
Power Connectors
None
2x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
7.5
—
Shader Model
6.6
5.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.