Radeon HD 5750 vs Radeon HD 7990
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5750 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 5750 Advantages
Lower TDP (86W vs 375W)
Radeon HD 7990 Advantages
Released 3 years and 6 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 73.60GB/s)
1328 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5750
1008
Radeon HD 7990
+306%
4096
Graphics Card
Oct 2009
Release Date
Apr 2013
Evergreen
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
950 MHz
-
Boost Clock
1000 MHz
1150 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
384bit
73.60GB/s
Bandwidth
288.0GB/s
Render Config
9
Compute Units
32
720
Shading Units
2048
36
TMUs
128
16
ROPs
32
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
768 KB
Theoretical Performance
11.20 GPixel/s
Pixel Rate
32.00 GPixel/s
25.20 GTexel/s
Texture Rate
128.0 GTexel/s
1008 GFLOPS
FP32 (float)
4.096 TFLOPS
-
FP64 (double)
1024 GFLOPS
Board Design
86W
TDP
375W
250 W
Suggested PSU
750 W
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x HDMI 1.3a
1x DisplayPort 1.1
Outputs
1x DVI
4x mini-DisplayPort 1.2
4x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
Juniper
GPU Name
Malta
Juniper LE
(215-0754009)
(215-0754009)
GPU Variant
Malta XT
(215-0849026)
(215-0849026)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
1.04 billion
Transistors
4.313 billion
166 mm²
Die Size
365 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
1.2
N/A
Vulkan
1.2
5.0
Shader Model
5.1
