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GPU Comparison
ATI Radeon HD 5870 vs ATI Radeon HD 5450 PCI
ATI Radeon HD 5870 vs ATI Radeon HD 5450 PCI
VS
ATI Radeon HD 5870
ATI Radeon HD 5450 PCI
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5870 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 5.328GB/s)
1520 additional rendering cores
ATI Radeon HD 5450 PCI 's Advantages
Lower TDP (19W vs 188W)
Score
Benchmark
FP32 (float)
Radeon HD 5870
+2515%
2.72 TFLOPS
Radeon HD 5450 PCI
0.104 TFLOPS
Radeon HD 5870
VS
Radeon HD 5450 PCI
Graphics Card
Sep 2009
Release Date
Feb 2010
Evergreen
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCI
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
333 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
153.6GB/s
Bandwidth
5.328GB/s
Render Config
-
SM Count
-
20
Compute Units
2
1600
Shading Units
80
80
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
2.600 GPixel/s
68.00 GTexel/s
Texture Rate
5.200 GTexel/s
-
FP16 (half)
-
2.720 TFLOPS
FP32 (float)
104.0 GFLOPS
544.0 GFLOPS
FP64 (double)
-
Graphics Processor
Cypress
GPU Name
Cedar
Cypress XT (215-0735033)
GPU Variant
Cedar PRO
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.154 billion
Transistors
0.292 billion
334 mm²
Die Size
59 mm²
Board Design
188W
TDP
19W
450 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 1x HDMI 1.3a
2x 6-pin
Power Connectors
None
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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