Radeon HD 5870 Eyefinity 6 vs Radeon HD 5450 PCI
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 5870 Eyefinity 6 's Advantages
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (153.6GB/s vs 5.328GB/s)
1520 additional rendering cores
Radeon HD 5450 PCI 's Advantages
Lower TDP (19W vs 228W)
Score
Benchmark
FP32 (float)
Radeon HD 5870 Eyefinity 6
+2515%
2720
Radeon HD 5450 PCI
104
Graphics Card
Mar 2010
Release Date
Feb 2010
Evergreen
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCI
Clock Speeds
1200 MHz
Memory Clock
333 MHz
Memory
2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
153.6GB/s
Bandwidth
5.328GB/s
Render Config
20
Compute Units
2
1600
Shading Units
80
80
TMUs
8
32
ROPs
4
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
2.720 TFLOPS
FP32 (float)
104.0 GFLOPS
544.0 GFLOPS
FP64 (double)
-
Board Design
228W
TDP
19W
550 W
Suggested PSU
200 W
6x mini-DisplayPort 1.1
Outputs
1x DVI
1x HDMI 1.3a
1x 6-pin + 1x 8-pin
Power Connectors
None
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
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
5.0
Shader Model
5.0
