NVIDIA GeForce GTX 870M vs AMD Radeon R9 290X2
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Jun 2014
Generation
GeForce 800M
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
941 MHz
-
Boost Clock
967 MHz
-
Memory Clock
1250 MHz
1350 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
512bit
Bandwidth
120.0GB/s
345.6GB/s
Render Config
Shading Units
1344
2816
TMUs
112
176
ROPs
24
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
1024 KB
Compute Units
-
44
Theoretical Performance
Pixel Rate
27.08 GPixel/s
64.00 GPixel/s
Texture Rate
108.3 GTexel/s
176.0 GTexel/s
FP32 (float)
2.599 TFLOPS
5.632 TFLOPS
FP64 (double)
108.3 GFLOPS
704.0 GFLOPS
Graphics Processor
GPU Name
GK104
Hawaii
GPU Variant
N15E-GT-A2
Hawaii XT(215-0852000)
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
3.54 billion
6.2 billion
Die Size
294 mm²
438 mm²
Board Design
TDP
100W
580W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
4x 8-pin
Suggested PSU
-
950 W
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.0
-
Shader Model
5.1
6.3