AMD Radeon HD 6970 vs NVIDIA Tesla M40
GPU · Specs Compare
Graphics Card
Release Date
Dec 2010
Nov 2015
Generation
Northern Islands
Tesla Maxwell
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1375 MHz
1502 MHz
Base Clock
—
948 MHz
Boost Clock
—
1112 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
176.0GB/s
288.4GB/s
Render Config
Compute Units
24
—
Shading Units
1536
3072
TMUs
96
192
ROPs
32
96
L1 Cache
8 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
3 MB
Theoretical Performance
Pixel Rate
28.16 GPixel/s
106.8 GPixel/s
Texture Rate
84.48 GTexel/s
213.5 GTexel/s
FP32 (float)
2.703 TFLOPS
6.832 TFLOPS
FP64 (double)
675.8 GFLOPS
213.5 GFLOPS
Graphics Processor
GPU Name
Cayman
GM200
GPU Variant
Cayman XT(215-0807007)
GM200-895-A1
Architecture
TeraScale 3
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.64 billion
8 billion
Die Size
389 mm²
601 mm²
Board Design
TDP
250W
250W
Suggested PSU
600 W
600 W
Outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
8-pin EPS
Graphics Features
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.3
Shader Model
5.0
6.7
CUDA
—
5.2
Benchmark
3DMark Time Spy
—
5,323
OctaneBench
—
123
Blender
—
106
▲ Specs Compare
Data sourced from official specifications and benchmark tests.