AMD Radeon HD 7990 vs ATI Radeon HD 5830
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7990 and 1024MB VRAM Radeon HD 5830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7990 's Advantages
Released 3 years and 2 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 128.0GB/s)
928 additional rendering cores
ATI Radeon HD 5830 's Advantages
Lower TDP (175W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 7990
+128%
4.096 TFLOPS
Radeon HD 5830
1.792 TFLOPS
3DMark Time Spy
Radeon HD 7990
+646%
2246
Radeon HD 5830
301
Graphics Card
Apr 2013
Release Date
Feb 2010
Southern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
1000 MHz
Memory
3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
128.0GB/s
Render Config
32
Compute Units
14
-
-
-
2048
Shading Units
1120
128
TMUs
56
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
12.80 GPixel/s
128.0 GTexel/s
Texture Rate
44.80 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
1.792 TFLOPS
1024 GFLOPS
FP64 (double)
358.4 GFLOPS
Board Design
375W
TDP
175W
750 W
Suggested PSU
450 W
1x DVI
4x mini-DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Malta
GPU Name
Cypress
Malta XT
(215-0849026)
GPU Variant
Cypress LE
(215-0735047)
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
2.154 billion
365 mm²
Die Size
334 mm²
Graphics Features
12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.2
OpenCL
1.2
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
5.0
