AMD Radeon HD 6990 vs NVIDIA GRID K240Q
GPU Specs Compare
Graphics Card
Release Date
Mar 2011
Jun 2013
Generation
Northern Islands
GRID
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
1250 MHz
Memory
Memory Size
2GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
160.0GB/s
160.0GB/s
Render Config
Compute Units
24
-
Shading Units
1536
1536
TMUs
96
128
ROPs
32
32
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
26.56 GPixel/s
23.84 GPixel/s
Texture Rate
79.68 GTexel/s
95.36 GTexel/s
FP32 (float)
2.550 TFLOPS
2.289 TFLOPS
FP64 (double)
637.4 GFLOPS
95.36 GFLOPS
Graphics Processor
GPU Name
Antilles
GK104
GPU Variant
Antilles XT(215-0807027)
-
Architecture
TeraScale 3
Kepler
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
3.54 billion
Die Size
389 mm²
294 mm²
Board Design
TDP
375W
225W
Suggested PSU
750 W
550 W
Outputs
1x DVI4x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 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
1.1
Shader Model
5.0
5.1
CUDA
-
3.0