ATI Radeon HD 5870 vs NVIDIA GeForce GTX 870M
GPU Specs Compare
Graphics Card
Release Date
Sep 2009
Mar 2014
Generation
Evergreen
GeForce 800M
Type
Desktop
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1200 MHz
1250 MHz
Base Clock
-
941 MHz
Boost Clock
-
967 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
192bit
Bandwidth
153.6GB/s
120.0GB/s
Render Config
Compute Units
20
-
Shading Units
1600
1344
TMUs
80
112
ROPs
32
24
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
384 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
27.08 GPixel/s
Texture Rate
68.00 GTexel/s
108.3 GTexel/s
FP32 (float)
2.720 TFLOPS
2.599 TFLOPS
FP64 (double)
544.0 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
Cypress
GK104
GPU Variant
Cypress XT(215-0735033)
N15E-GT-A2
Architecture
TeraScale 2
Kepler
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
3.54 billion
Die Size
334 mm²
294 mm²
Board Design
TDP
188W
100W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
None
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