NVIDIA GeForce GTX 970M vs AMD Radeon HD 6990
GPU Specs Compare
Graphics Card
Release Date
Oct 2014
Mar 2011
Generation
GeForce 900M
Northern Islands
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 2.0 x16
Clock Speeds
Base Clock
924 MHz
-
Boost Clock
1038 MHz
-
Memory Clock
1253 MHz
1250 MHz
Memory
Memory Size
3GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
120.3GB/s
160.0GB/s
Render Config
Shading Units
1280
1536
TMUs
80
96
ROPs
48
32
L1 Cache
48 KB (per SMM)
8 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
-
24
Theoretical Performance
Pixel Rate
49.82 GPixel/s
26.56 GPixel/s
Texture Rate
83.04 GTexel/s
79.68 GTexel/s
FP32 (float)
2.657 TFLOPS
2.550 TFLOPS
FP64 (double)
83.04 GFLOPS
637.4 GFLOPS
Graphics Processor
GPU Name
GM204
Antilles
GPU Variant
N16E-GT-A2
Antilles XT(215-0807027)
Architecture
Maxwell 2.0
TeraScale 3
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
5.2 billion
2.64 billion
Die Size
398 mm²
389 mm²
Board Design
TDP
Unknown
375W
Outputs
Portable Device Dependent
1x DVI4x mini-DisplayPort 1.2
Power Connectors
None
2x 8-pin
Suggested PSU
-
750 W
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.3
N/A
CUDA
5.2
-
Shader Model
6.7 (6.4)
5.0