NVIDIA GeForce GTX 750 Ti OEM vs AMD Radeon R9 390
GPU Specs Compare
Graphics Card
Release Date
Unknown
Jun 2015
Generation
GeForce 700
Pirate Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1033 MHz
-
Boost Clock
1098 MHz
-
Memory Clock
1502 MHz
1500 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
512bit
Bandwidth
192.3GB/s
384.0GB/s
Render Config
Shading Units
960
2560
TMUs
80
160
ROPs
24
64
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Compute Units
-
40
Theoretical Performance
Pixel Rate
21.96 GPixel/s
64.00 GPixel/s
Texture Rate
87.84 GTexel/s
160.0 GTexel/s
FP32 (float)
2.108 TFLOPS
5.120 TFLOPS
FP64 (double)
87.84 GFLOPS
640.0 GFLOPS
Graphics Processor
GPU Name
GK106
Grenada
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.54 billion
6.2 billion
Die Size
221 mm²
438 mm²
GPU Variant
-
Grenada PRO(215-0880030)
Board Design
TDP
150W
275W
Suggested PSU
450 W
600 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
-
1x 6-pin + 1x 8-pin
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
📊 Benchmark
3DMark Time Spy
-
3,964
3DMark Time Spy Extreme
-
1,931