NVIDIA GeForce GTX 770M vs AMD Radeon HD 8990 OEM
GPU Specs Compare
Graphics Card
Release Date
May 2013
Apr 2013
Generation
GeForce 700M
Sea Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
706 MHz
950 MHz
Boost Clock
797 MHz
1000 MHz
Memory Clock
1002 MHz
1500 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
384bit
Bandwidth
96.19GB/s
288.0GB/s
Render Config
Shading Units
960
2048
TMUs
80
128
ROPs
24
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
384 KB
768 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
15.94 GPixel/s
32.00 GPixel/s
Texture Rate
63.76 GTexel/s
128.0 GTexel/s
FP32 (float)
1.530 TFLOPS
4.096 TFLOPS
FP64 (double)
63.76 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GK106
Malta
GPU Variant
N14E-GS-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
75W
375W
Outputs
No outputs
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Suggested PSU
-
750 W
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