ATI Radeon HD 5850 vs AMD Radeon HD 7990
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5850 and 3GB VRAM Radeon HD 7990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5850 's Advantages
Lower TDP (151W vs 375W)
AMD Radeon HD 7990 's Advantages
Released 3 years and 7 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 128.0GB/s)
608 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5850
2.088 TFLOPS
Radeon HD 7990
+96%
4.096 TFLOPS
3DMark Time Spy
Radeon HD 5850
544
Radeon HD 7990
+312%
2246
Graphics Card
Sep 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
1000 MHz
Memory Clock
1500 MHz
Memory
1024MB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
128.0GB/s
Bandwidth
288.0GB/s
Render Config
18
Compute Units
32
-
-
-
1440
Shading Units
2048
72
TMUs
128
32
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
-
-
-
Theoretical Performance
23.20 GPixel/s
Pixel Rate
32.00 GPixel/s
52.20 GTexel/s
Texture Rate
128.0 GTexel/s
-
-
-
2.088 TFLOPS
FP32 (float)
4.096 TFLOPS
417.6 GFLOPS
FP64 (double)
1024 GFLOPS
Board Design
151W
TDP
375W
450 W
Suggested PSU
750 W
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
Outputs
1x DVI
4x mini-DisplayPort 1.2
2x 6-pin
Power Connectors
2x 8-pin
Graphics Processor
Cypress
GPU Name
Malta
Cypress PRO
(215-0735043)
GPU Variant
Malta XT
(215-0849026)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.154 billion
Transistors
4.313 billion
334 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
