NVIDIA GeForce GTX 650 Ti vs AMD Radeon HD 8990 OEM
GPU · Specs Compare
Graphics Card
Release Date
Oct 2012
Apr 2013
Generation
GeForce 600
Sea Islands
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1350 MHz
1500 MHz
Base Clock
—
950 MHz
Boost Clock
—
1000 MHz
Memory
Memory Size
1024MB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
86.40GB/s
288.0GB/s
Render Config
Shading Units
768
2048
TMUs
64
128
ROPs
16
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
256 KB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
14.85 GPixel/s
32.00 GPixel/s
Texture Rate
59.39 GTexel/s
128.0 GTexel/s
FP32 (float)
1425 GFLOPS
4.096 TFLOPS
FP64 (double)
59.39 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GK106
Malta
GPU Variant
GK106-220-A1
Malta XT(215-0849026)
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.54 billion
4.313 billion
Die Size
221 mm²
365 mm²
Board Design
TDP
110W
375W
Suggested PSU
300 W
750 W
Outputs
2x DVI1x mini-HDMI 1.4a
1x DVI4x mini-DisplayPort 1.2
Power Connectors
1x 6-pin
2x 8-pin
Graphics Features
DirectX
12 (11_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.0
—
Shader Model
5.1
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.