AMD Radeon HD 6990 vs NVIDIA GRID M3 3020
GPU Specs Compare
Graphics Card
Release Date
Mar 2011
May 2016
Generation
Northern Islands
GRID
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1300 MHz
Base Clock
-
1033 MHz
Boost Clock
-
1306 MHz
Memory
Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
160.0GB/s
83.20GB/s
Render Config
Compute Units
24
-
Shading Units
1536
640
TMUs
96
40
ROPs
32
16
L1 Cache
8 KB (per CU)
64 KB (per SMM)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
26.56 GPixel/s
20.90 GPixel/s
Texture Rate
79.68 GTexel/s
52.24 GTexel/s
FP32 (float)
2.550 TFLOPS
1.672 TFLOPS
FP64 (double)
637.4 GFLOPS
52.24 GFLOPS
Graphics Processor
GPU Name
Antilles
GM107
GPU Variant
Antilles XT(215-0807027)
-
Architecture
TeraScale 3
Maxwell
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
1.87 billion
Die Size
389 mm²
148 mm²
Board Design
TDP
375W
Unknown
Suggested PSU
750 W
200 W
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.7 (5.1)
CUDA
-
5.0