AMD Radeon HD 7990 vs NVIDIA GeForce GTX 970M
GPU Specs Compare
Graphics Card
Release Date
Apr 2013
Oct 2014
Generation
Southern Islands
GeForce 900M
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
950 MHz
924 MHz
Boost Clock
1000 MHz
1038 MHz
Memory Clock
1500 MHz
1253 MHz
Memory
Memory Size
3GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
192bit
Bandwidth
288.0GB/s
120.3GB/s
Render Config
Compute Units
32
-
Shading Units
2048
1280
TMUs
128
80
ROPs
32
48
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
768 KB
1536 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
49.82 GPixel/s
Texture Rate
128.0 GTexel/s
83.04 GTexel/s
FP32 (float)
4.096 TFLOPS
2.657 TFLOPS
FP64 (double)
1024 GFLOPS
83.04 GFLOPS
Graphics Processor
GPU Name
Malta
GM204
GPU Variant
Malta XT(215-0849026)
N16E-GT-A2
Architecture
GCN 1.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
4.313 billion
5.2 billion
Die Size
365 mm²
398 mm²
Board Design
TDP
375W
Unknown
Suggested PSU
750 W
-
Outputs
1x DVI4x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.7 (6.4)
CUDA
-
5.2