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GPU Comparison
AMD Radeon HD 7870 GHz Edition vs ATI Radeon HD 5490
AMD Radeon HD 7870 GHz Edition vs ATI Radeon HD 5490
VS
AMD Radeon HD 7870 GHz Edition
ATI Radeon HD 5490
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 1024MB VRAM Radeon HD 5490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7870 GHz Edition 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (153.6GB/s vs 8.000GB/s)
1200 additional rendering cores
ATI Radeon HD 5490 's Advantages
Released 7 months late
Lower TDP (19W vs 175W)
Score
Benchmark
FP32 (float)
Radeon HD 7870 GHz Edition
+2361%
2.56 TFLOPS
Radeon HD 5490
0.104 TFLOPS
Radeon HD 7870 GHz Edition
VS
Radeon HD 5490
Graphics Card
Mar 2012
Release Date
Oct 2012
Southern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
500 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
64bit
153.6GB/s
Bandwidth
8.000GB/s
Render Config
-
SM Count
-
20
Compute Units
2
1280
Shading Units
80
80
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
2.600 GPixel/s
80.00 GTexel/s
Texture Rate
5.200 GTexel/s
-
FP16 (half)
-
2.560 TFLOPS
FP32 (float)
104.0 GFLOPS
160.0 GFLOPS
FP64 (double)
-
Graphics Processor
Pitcairn
GPU Name
Cedar
Pitcairn XT (215-0828047)
GPU Variant
Cedar XTX
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.8 billion
Transistors
0.292 billion
212 mm²
Die Size
59 mm²
Board Design
175W
TDP
19W
450 W
Suggested PSU
200 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 6-pin
Power Connectors
None
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
-
CUDA
-
5.1
Shader Model
5.0
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