NVIDIA Tesla M40 vs AMD Radeon HD 6990
GPU · Specs Compare
Graphics Card
Release Date
Nov 2015
Mar 2011
Generation
Tesla Maxwell
Northern Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
948 MHz
—
Boost Clock
1112 MHz
—
Memory Clock
1502 MHz
1250 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
160.0GB/s
Render Config
Shading Units
3072
1536
TMUs
192
96
ROPs
96
32
L1 Cache
48 KB (per SMM)
8 KB (per CU)
L2 Cache
3 MB
512 KB
Compute Units
—
24
Theoretical Performance
Pixel Rate
106.8 GPixel/s
26.56 GPixel/s
Texture Rate
213.5 GTexel/s
79.68 GTexel/s
FP32 (float)
6.832 TFLOPS
2.550 TFLOPS
FP64 (double)
213.5 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
GM200
Antilles
GPU Variant
GM200-895-A1
Antilles XT(215-0807027)
Architecture
Maxwell 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
8 billion
2.64 billion
Die Size
601 mm²
389 mm²
Board Design
TDP
250W
375W
Suggested PSU
600 W
750 W
Outputs
No outputs
1x DVI4x mini-DisplayPort 1.2
Power Connectors
8-pin EPS
2x 8-pin
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
5.2
—
Shader Model
6.7
5.0
Benchmark
3DMark Time Spy
5,323
—
OctaneBench
123
—
Blender
106
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.