Home GPU Comparison AMD Radeon HD 7990 vs NVIDIA GeForce GT 440 Mac Edition

AMD Radeon HD 7990 vs NVIDIA GeForce GT 440 Mac Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 1024MB VRAM GeForce GT 440 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7990 's Advantages
Released 2 years and 2 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 21.34GB/s)
1952 additional rendering cores
NVIDIA GeForce GT 440 Mac Edition 's Advantages
Lower TDP (65W vs 375W)

Score

Benchmark

FP32 (float)
Radeon HD 7990 +1217%
4.096 TFLOPS
GeForce GT 440 Mac Edition
0.311 TFLOPS
VS

Graphics Card

Apr 2013
Release Date
Feb 2011
Southern Islands
Generation
GeForce 400
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
667 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
21.34GB/s

Render Config

32
Compute Units
-
-
SM Count
2
2048
Shading Units
96
128
TMUs
16
32
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

32.00 GPixel/s
Pixel Rate
3.240 GPixel/s
128.0 GTexel/s
Texture Rate
12.96 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
311.0 GFLOPS
1024 GFLOPS
FP64 (double)
25.92 GFLOPS

Board Design

375W
TDP
65W
750 W
Suggested PSU
250 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
None

Graphics Processor

Malta
GPU Name
GF108
Malta XT (215-0849026)
GPU Variant
GF108-400-A1
GCN 1.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.585 billion
365 mm²
Die Size
116 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1

Related GPU Comparisons

Related News

© 2024 - TopCPU.net   Contact Us Privacy Policy