AMD Radeon HD 8870 OEM vs NVIDIA GRID K260Q
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Jun 2013
Generation
Sea Islands
GRID
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
160.0GB/s
Render Config
Compute Units
20
—
Shading Units
1280
1536
TMUs
80
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
23.84 GPixel/s
Texture Rate
80.00 GTexel/s
95.36 GTexel/s
FP32 (float)
2.560 TFLOPS
2.289 TFLOPS
FP64 (double)
160.0 GFLOPS
95.36 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GK104
GPU Variant
Pitcairn XT(215-0828047)
—
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
3.54 billion
Die Size
212 mm²
294 mm²
Board Design
TDP
175W
225W
Suggested PSU
450 W
550 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
—
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.