AMD Radeon HD 6870 1600SP Edition vs NVIDIA Tesla M40
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Nov 2015
Generation
Northern Islands
Tesla Maxwell
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1502 MHz
Base Clock
-
948 MHz
Boost Clock
-
1112 MHz
Memory
Memory Size
1024MB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
134.4GB/s
288.4GB/s
Render Config
Compute Units
20
-
Shading Units
1600
3072
TMUs
80
192
ROPs
32
96
L1 Cache
8 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
3 MB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
106.8 GPixel/s
Texture Rate
68.00 GTexel/s
213.5 GTexel/s
FP32 (float)
2.720 TFLOPS
6.832 TFLOPS
FP64 (double)
544.0 GFLOPS
213.5 GFLOPS
Graphics Processor
GPU Name
Cypress
GM200
GPU Variant
Cypress XT(215-0735033)
GM200-895-A1
Architecture
TeraScale 2
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
8 billion
Die Size
334 mm²
601 mm²
Board Design
TDP
175W
250W
Suggested PSU
450 W
600 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-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