AMD Radeon R9 M290X Mac Edition vs NVIDIA GeForce GTX 780 Ti Engineering Sample
GPU Specs Compare
Graphics Card
Release Date
Nov 2014
Unknown
Generation
Crystal System
GeForce 700
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
875 MHz
Boost Clock
975 MHz
928 MHz
Memory Clock
1365 MHz
1753 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
174.7GB/s
336.6GB/s
Render Config
Compute Units
16
-
Shading Units
1024
2880
TMUs
64
240
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
31.20 GPixel/s
55.68 GPixel/s
Texture Rate
62.40 GTexel/s
222.7 GTexel/s
FP32 (float)
1.997 TFLOPS
5.345 TFLOPS
FP64 (double)
124.8 GFLOPS
222.7 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GK180
GPU Variant
Pitcairn PRO(215-0828062)
GK180-425-A1
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
7.08 billion
Die Size
212 mm²
561 mm²
Board Design
TDP
80W
250W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.2.175
Shader Model
5.1
5.1
CUDA
-
3.5